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A rolling ball has an initial velocity of 1.6 m/s

Ball 1 initially travels with a velocity of u m/s.Ball 2 is stationery and has a mass of 0.2kg and this collision lasts for 0.1 s.Afterwards both balls move in the direction of ball 1's initial velocity. Each ball has a different . Physics. A ball is rolled off a table that is 0.481 m above the floor A Rolling Ball Has An Initial Velocity Of 1.6 M/s If The Ball Has A Constant Acceleration Of... Question: A Rolling Ball Has An Initial Velocity Of 1.6 M/s If The Ball Has A Constant Acceleration Of -0.778 M/s2 What Is Its Velocity After 3.6s This problem has been solved

A rolling ball has an initial velocity of 1.6 m/s. If the ball has a constant acceleration of 0.33 {eq}m/s^2 {/eq}, what is the velocity after 3.6 s and how far did the ball travel A rolling ball has an initial velocity of 1.6 m/s. (I just need part b) a. If the ball has a constant acceleration of 0.33 m/s2 in the same direction as its movement, what is its speed after 3.6 s? 1.6+ (0.33) (3.6)= 2.79m/s b. How far did the ball travel A rolling ball has an initial velocity of 1.6 m/s

Solved: A Rolling Ball Has An Initial Velocity Of 1

1. a rolling ball has an initial velocity of 1.6 m/s. if the ball has a constant acceleration of 0.33 m/s^2 in the same direction as its movement, what is its speed after 3.6 s? 2.788 m/s after 3.6 s how much has the ball traveled? 12.175 m
2. A rolling ball has an initial velocity of -1.5 m/s . a. if the ball has constant acceleration of -0.23 m/s^2, what is its velocity after 2.2 s? V = vo + at = -1.5 -0.23 * 2.2 = -1.5 - 0.506 = -2.006 = -2.0 m/s answer is -2.0 m/s b. what was its average velocity during that time..
3. A ball rolling with an initial velocity of 40 m/s [W] undergoes an acceleration of 5.0 m/s^2 [N] for a period of 6.0 seconds. a) What is the final velocity of the ball? b) What is the displacement of the ball in the 6.0 seconds? Can someone explain how I would draw this vector..
4. A ball with an initial velocity of 8.00 m/s rolls up a hill without slipping. Treating the ball as a spherical shell, calculate the vertical height it reaches. (b) Repeat the calculation for the same ball if it slides up the hill without rolling

Answered: A rolling ball has an initial velocity bartleb

• A bowling ball rolls up a ramp 0.5 m high without slipping to storage. It has an initial velocity of its center of mass of 3.0 m/s. (a) What is its velocity at the top of the ramp? (b) If the ramp is 1 m high does it make it to the top
• I do not dare answer this question as I cannot decide if the ball is rolling or just sliding without friction like any box would do, and also the angle of the inclined plane is not given. It may sound as if given the height of the inclined plane i..
• A rolling ball has an initial velocity of -1.5 m/s.? If the ball has constant acceleration of -0.23 m/s^2, what is its velocity after 2.2s? What was its average velocity during the time interval
• 8. A ball rolls down a 1.0-meter long incline from rest to 2.0 m/s. The ball has a 5.0 cm radius. Find the angular acceleration of the ball. 9. A soccer ball is rolling at 15r/s. It stops rolling after traveling 25.0 m. Calculate the time it was rolling. Also find its angular acceleration. The ball has 20 cm diameter. 10
• hits the ground 0.352 meters from the edge of the table. How fast was the ball rolling when it left the table? A football player kicks a football from ground level with an initial velocity of 27.0 m/s, 300 above the horizontal. a. What is the maximum height the ball attained? b. How long did it take the ball to return to the launching height? 2 c
• A ball is pushed with an initial velocity of 4.0 m/s. The ball rolls down a hill with a constant acceleration of 1.6 m/s2. The ball reaches the bottom of the hill in 8.0 s. What is the ball's velocity at the bottom of the hill? a. 10 m/s b. 12 m/s c. 16 m/s d. 17 m/s 2. A cart is given an initial velocity of 5.0 m/s and experiences a constant.

Velocity question for physics? :/? Yahoo Answer

2. A bowling ball has a mass of 4.0kg, a moment of inertia of 1.6×10−2 kg·m2 and a radius of 0.10m. If it rolls down the lane without slipping at a linear speed of 4.0 m s, what is its total energy? [Ser4 11-5] The total (kinetic) energy of an object which rolls without slipping is given by Eq. 2.4 30 kg m/s Momentum = Mass × Velocity = 10 kg × 3 m/s = 30 kg m/s 14622 views around the world You can reuse this answer Creative Commons Licens A ball has a mass of 0.25 kg and is moving to the right at 1.0 m/s. It hits a ball of mass 0.15 kg that is initially at rest. After the collision, the 0.15 kg ball moves off to the right with a velocity of 0.75 m/s. What is the final velocity of the 0.25 kg ball? 0.42 m/s to the right 0.42 m/s to the left 0.55 m/s to the right 0.55 m/s to the lef A ball rolls across a floor with an acceleration of 0.10 m/s 2 in a direction opposite to its velocity. The ball has a velocity of 4.00 m/s after rolling a distance 6.00 m across the floor. What was the initial speed of the ball? A) 4.15 m/s. B) 5.85 m/s. C) 4.60 m/s. D) 5.21 m/s. E) 3.85 m/s. 2. A string is wrapped around a pulley with a. Ball 1 initially travels with a velocity of u m/s.Ball 2 is stationery and has a mass of 0.2kg and this collision lasts for 0.1 s.Afterwards both balls move in the direction of ball 1's initial velocity. Each ball has a different . Physics. Initial Statement: A soccer ball is kicked with an initial horizontal velocity of 15 m/s and an initial.

PHYSICS semester one final (answers to previous tests

• 8. A soccer player kicks the ball toward a goal that is 16.8 meters in front of him. 14.7 m/s The ball leaves his foot at a speed of 16.0 m/s and an angle of 28.0 above the ground. Find the speed of the ball when the goalie catches it in front of the net. Solution Since we know about the initial velocity, let's break it into its components: v.
• I solved this problem only using the rotational kinetic energy. See METHOD 2 (below). METHOD 1 A rolling object has two types of kinetic energy: linear (or translational) kinetic energy as well as rotational kinetic energy. The total energy of a r..
• Ball A, rolling west at 3.5 m/s, has a mass of 1.0 kg. Ball B has a mass of 1.8 kg and is stationary. After colliding with ball B, ball A moves south at 2.0 m/s. (b) Calculate the momentum and velocity of ball B after the collision. Magnitude of momentum=? Direction=? (north of west) Magnitude of velocity=? m/s Direction=?° (north of west
• A soccer ball of mass 0.40 kg is rolling with velocity (0,0,2.6) m/s, when you kick it. Your kick delivers an impulse of magnitude 1.2 N.s in the -x direction
• A cyclist sprints at the end of a race to clinch a victory. She has an initial velocity of 11.5 m/s and accelerates at a rate of 0.500 m/s 2 for 7.00 s. (a) What is her final velocity? (b) The cyclist continues at this velocity to the finish line. If she is 300 m from the finish line when she starts to accelerate, how much time did she save
• A small cart is rolling at constant velocity on a flat track. It fires a ball straight up into the air as it moves. which ball has the greater velocity at ground level? a) the dropped ball b) the fired ball 1.6 m/s 2, which path would the cannonball take in the sam
• . After the necessary unit conversion we arrive at the solution: 250 m/s - 1.6 m/s 2 · 120 s = 250 m/s - 192 m/s = 58 m/s or ~209 km/h. Reference

Initial velocity of rolling ball Physics Forum

Homework Statement A referee throws a ball in a basketball game. When the ball was in his hand the heigh was 1,6 meters above the ground. The ball is caught 0.8 seconds later by a jumping player. The ball is 2.7 meters above the ground and on the way down. what was the initial velocity when the.. By legend, Galileo dropped a ball from the Tower of Pisa. If the tower has a height of 55.9 m, and neglecting air resistance, how much time would it take a lead ball to reach the ground? Givens: a = g ≈ 10 m/s 2. Δx = 55.9 m. Unknown: t = ??? The equation that connects these variables is the 4 th sacred equation. Δx = v o Δt + ½ a Δt

Simple 2-D Uniform Motion Problem Physics Forum

1. The first ball has a mass of 0.50 kg and an initial velocity of 12.0 m/s. The second ball has a mass of 0.75 kg and an initial velocity of -16.0 m/s. After the collision, the first ball . Physics. A spherical bowling ball with mass m = 3.7 kg and radius R = 0.103 m is thrown down the lane with an initial speed of v = 8.9 m/s
2. 2. A particle has an initial velocity of 30 m/s to the left. If it then passes through the same location 5 seconds later with a velocity of 50 m/s to the right, the average velocity of the particle during the 5 s time interval is _____. A) 10 m/s B) 40 m/s C) 16 m/s D) 0 m/s t = 2 s t = 7 s 3 m/s 5 m/s GROUP PROBLEM SOLVING Given:Ball A is.
3. a ball rolls up a incline with a initial velocity of 15 m/s, the ball comes to rest on the incline after rolling for 4 seconds a - what is the acceleration of the ball b - what is the ball's speed at the end of 5 seconds c - how far up the incline does the ball go before it stops and turn aroun
4. A rolling ball has an initial velocity of 5 meters per second. 30 seconds later, its velocity it 2 meters per second. What is the acceleration of the ball? -1 -0.2 5 2 See answers s685013 s685013 The answer is -0.2 hope this helps. :) D3KU23068 D3KU23068 Answer
5. Ball A, rolling west at 3.0 m/s, has a mass of 1.0 kg. Ball B has a mass of 2.0 kg and is stationary. After colliding with ball B, ball A moves south at 2.0 m.s. Calculate the momentum and velocity of ball B after the collision

A cat kicks a vase with a horizontal velocity of 1.6 m/s off a shelf 2.5 m above the ground. How far from the shelf does the vase hit the ground? A ball is rolling across a table with a horizontal velocity of 2m/s. It rolls off a table that's 2m tall. If a ball is thrown with an initial horizontal velocity of 12 m/s, what will the. A ball rolling up a hill has vector velocities ~v1 and ~v2 at times t1 and t2, respectively, as A particle has an initial horizontal velocity of 3 m/s and an initial upward velocity of 3.2 m/s. It is then given a horizontal acceler- A particle moving at a velocity of 1.6 m/s i 14.0 ms^-1 We need to use the kinematic equation involving quantities of interest: initial velocity u, final velocity v, acceleration a and time t v=u+at Inserting given quantities v=4.0+2.0xx5.0 =>v=14.0 ms^-

OpenStax College Physics Solution, Chapter 10, Problem 28

• 1A cart is rolling at a constant velocity on a flat track. It fires a fired ball has a larger net velocity when it hits situation was on the Moon, where g is 1.6 m/s/s, which path would the ball take? A1 B2 C3 D4
• g that the collision between Train 112 and Train 214 is a perfect elastic collision, (no damage done to either train) Train 112 has an initial velocity of 19.7 m/s & a mass of 144,000 kg Train 214 has a mass of 108,000 kg and is at rest. Calculate the final velocity of Train 214 after the collision if Train 112 has a final velocity of 5 m/s
• V Gi = -1 m/s (initial leftward velocity) w i = -20 rad/s (backspin, CW rotation) r = 0.028 m μ k = 0.3 g = 9.8 m/s 2 δ = 1 a Gx = 2.94 m/s 2 - calculated from equation (3) Therefore the time it takes the ball to stop slipping is t = 0.15 s The distance traveled by the ball during slipping is d = -0.12 m (the ball has traveled to the left.
• What is the momentum of a 15 kg tire rolling down a hill at 3 m/s? What is the momentum of a 3 kg bowling ball moving at 3 m/s? 9 kg x m/s. What is the momentum of a 5 kg object that has a velocity of 1.2 m/s? 6.0 kg x m/s. Denise is riding her bike and falls to the ground. During the collision, she hits both grass and cement
• The ball has a velocity of 4.00 m/s after rolling a distance 6.00 m across the floor. What was the initial speed of the ball? Since the acceleration is in the opposite direction of the ball's velocity, the ball's velocity is decreasing at the rate of 0.1 m/s each second
• A car accelerates uniformly from rest at 3.2 m/s 2. When the car has traveled a distance of 40. meters, its speed will be A) 8.0 m/s C) 16 m/s B) 12.5 m/s D) 128 m/s 11. A ball starting from rest accelerates uniformly at 5.0 meters per second 2 as it rolls 40. meters down an incline. How net force acting on the cart 4 initial velocity of.
• Rolling without slipping commonly occurs when an object such as a wheel, cylinder, or ball rolls on a surface without any skidding. To define such a motion we have to relate the translation of the object to its rotation. For example, let's consider a wheel (or cylinder) rolling on a flat horizontal surface, as shown below

This means that when the ball is rolling without slippage its total energy is Er = Ev +Eω = 7 10 mvr 2 If the ball starts its movement slipping without rolling, with velocity v0, its initial energy is E0 = 1 2 mv0 2 When the ball starts rolling without slipping vr = 5 7v0. The ball energy is therefore Er = 7 10 m 5 7 v 0 2 = 5 14 mv2 The. Two balls are rolling on a flat smooth table. One ball has velocity components 3 j ^ and i ^ while the other has components 2 i ^ and 2 j ^ .If both start moving simultaneously from the same point, the angle between their paths is They are thrown from the ground with an initial velocity of 35 m/s, 45° above the horizontal. At the highest point of the trajectory they become untied and spring apart. About how far below the highest point is the center of mass of the two-block system 2.0 s later, before either fragment has hit the ground? x y � One bowling ball has a velocity of 2.45 m/s to the right while the other bowling ball has a velocity of 3.02 m/s to the left. Find the total momentum. 0.00 N s: 4.86 N s to the right: 4.86 N s to the left: 17.04 N s: According to the conservation of momentum, the momentum before a collision should be _____ momentum after a collision Brian's car, the Quantum, leaves the ground with an initial vertical velocity of 53 m/s and a horizontal velocity of 42 m/s. a) Draw the initial velocity vector. Find the initial speed. b) For what time is the Quantum in the air? c) How far does it go in this time d) should the Quantum be painted with the characatures of Scott Bakula and Dean.

The best way to answer a physics question is to first establish your knowns. You have height h=1.00M, horizontal distance traveled d=0.72m, and time t=0.45s. You know because you are a great new physics student that velocity is equal to the object.. A football is kicked with an initial velocity of 25 m/s at an angle of 45o with the horizontal. Determine the time of flight, the horizontal distance, and the peak height of the football. • HORIZONTAL COMPONENT • v ix = v i • cosθ • v ix = 25 m/s • cos 45o • v ix = 17.7 m/s • VERTICAL COMPONENT • v iy = v i • sinθ •

11.1 Rolling Motion University Physics Volume

1. velocities of objects after collision are: the red ball's velocity :v_1^'=6/7 m/s at positive direction the blue ball's velocity :v_2^'=20/7 m/s at positive direction let the velocities of objects after collision be v_1' and v_2^' P_1': momentum of the red ball after collision v_1^':velocity of the red ball after collision P_1^'=m_1*v_1^' P_1^'=5*v_1^' P_2^':momentum.
2. snow at 3.10 m/s. After 7.00 s has elapsed, the sled stops. Use a momentum approach to nd the magnitude of the average friction force acting on the sled while it was moving. • The sled started with a speed of 3.10 m/s and will come to stop after 7.00s. This change in speed or momentum is due to friction.
3. A marble rolling on a smooth floor has an initial velocity of 0.4 m/s. If the floor offers a retardation of 0.02 m/s 2, calculate the time it will take to come to rest
4. The first ball has a mass of 0.50 kg and an initial velocity of 12.0 m/s. The second ball has a mass of 0.75 kg and an initial velocity of -16.0 m/s. After the collision, the first ball . physics. A ball is projected horizontally from the edge of a table that is 1.15 m high, and it strikes the floor at a point 1.70 m from the base of the table
5. 1. A ball rolling down a hill at 4.0 m/s accelerates at 2.0 m/s2. What is its velocity 5.0 s later? [3A] 2. An SUV with an initial velocity of 10 m/s [E] accelerated at 5.0 m/s2[E]. How long will it take the SUV to acquire a final velocity of 25 m/s [E]? [3A] 3. A car travelling at 10 m/s accelerates at 4.0 m/s2 for 8.0 s. What is the distance.
6. A spherical bowling ball with mass m = 3.5 kg and radius R = 0.117 m is thrown down the lane with an initial speed of v = 8.4 m/s. The coefficient of kinetic friction between the sliding ball and the ground is = 0.25. Once the ball begins to roll without slipping it moves with a constant velocity down the lane

Rolling, Torque, and Angular Momentum Rolling Motion: respect to the ground for the rolling motion. • v is the velocity of a point on the object with ramp and the floor has friction to keep the ball. 10 rolling without slipping until it reaches the second ramp which is frictionless. How high o If a ball is dropped down a ramp of any shape, will the acceleration always be 9.8 assuming there is no friction. Homework Equations I know you can use mgh = 1/2mv^2 to solve for velocity, but can you use vf^2 = vi^2 + 2(a)(d) The Attempt at a Solution If you use both equations you get the same answer for final velocity at the bottom of the ramp 6. A very light rigid rod whose length is L has a ball of mass m attached to one end as shown. The other end is pivoted without friction in such a way that the ball moves in a vertical circle. The system is launched from the horizontal position A with downward initial velocity v o. The ball just reaches point D and then stops. (a) Derive an. 2. A juggler throws a ball at 0.22 m/s at an angle of 60.0o above the horizontal. What is the y-component of the velocity of the ball? (A) 0.11 m/s (B) 0.19 m/s (C) 0.25 m/s (D) 0.44 m/s 3. How much time does it take a soccer ball to travel 50.0 m horizontally if it is kicked with a velocity of 18.4 m/s at an angle of 30.0o above the horizontal. Thus, any projectile that has an initial vertical velocity of 21.2 m/s and lands 10.0 m below its starting altitude spends 3.79 s in the air. (b) The negative angle means the velocity is $53.1^\circ$ below the horizontal at the point of impact

11.1 Rolling Motion - University Physics Volume

v_(1f)=-1.435 m//s v_(2f)=1.007 m//s There may be a simpler way to solve this, but here's what I came up with: Momentum is conserved in all collisions. In an inelastic collision, momentum is conserved as always, but energy is not; part of the kinetic energy is transformed into some other form of energy. Therefore, we have an inelastic collision. vecp=mvecv The equation for momentum Since the disk is rolling, the speed of the center of mass of the disk is equal to the angular speed times the radius of the disk. Putting this all together, I can solve for the velocity at the. Relative to the center of mass, point P has velocity −R$$\omega \hat{i}$$, where R is the radius of the wheel and $$\omega$$ is the wheel's angular velocity about its axis. Since the wheel is rolling, the velocity of P with respect to the surface is its velocity with respect to the center of mass plus the velocity of the center of mass with. What is the velocity of the car at 35 seconds? A) 0 m/s C) -1.5 m/s B) 1.5 m/s D) 15 m/s A car accelerates uniformly from rest along a straight road over a distance of 200 m. Maintaining the speed reached after this initial time interval, the car then continues at a constant speed for 15 s, travelling 300 m in this time interval

A ball rolls across a floor with an acceleration of 0.100 m/s^2 in a direction opposite to its velocity. The ball has a velocity of 4.00 m/s after rolling a distance 6.00 m across the floor. What.. Which quantity has a magnitude of zero when the ball is at the highest point in its trajectory? A) 7.71 m/s B) 9.20 m/s C) 15.7 m/s D) 18.7 m/s 16.A baseball is thrown at an angle of 40.0° above the horizontal. The horizontal component of the baseball's initial velocity is 12.0 meters per second. What is the magnitude of the ball's initial. What was the horizontal velocity of the ball as it rolled off the table? answer choices . 0 m/s. 0.63 m/s. 1.6 m/s. 2.2 m/s. Tags: Question 5 . SURVEY . 120 seconds . Q. A bus is moving forward at 20 m/s. A student on the bus throws a tennis ball horizontally at 15 m/s toward the front of the bus. An object with an initial velocity of 3.50. Its linear velocity increases constantly from 0 to 7 m/s in 3.4 s. What is its angular acceleration? Correct answer: 7.62527 rad/s2. Explanation: Let : R = 0.27 m, ∆v = 7 m/s, and ∆t = 3.4 s. v B ω Consider point B at the bottom of the wheel. It is at rest since there is no slip-ping. Its velocity v B = v − ωR = 0 ω = v R α = ∆ω. 5.2 m/s, theta = 67.4^@ The most important concept to understand here is that the vertical component of the initial velocity is equal to zero, but that the vertical component of the final velocity will not be equal to zero. At the moment the ball leaves the table, the vertical component of its initial velocity will be equal to its initial velocity. You thus have {(v_(0y) = 0), (v_(0x) = v_0.

A ball is moving along a smooth horizontal surface at a

away. With air resistance, the ball would travel A)8.0 m/s B) 16 m/s C) 32 m/s D) 64 m/s 8.What is the final speed of an object that starts from 4.0 m/s2 east 20.A car with an initial velocity of 16.0 meters per The graph below represents the speed of a marble rolling down a straight incline as a function o Moment of Inertia (I) Tennis Ball Ping Pong Ball 2 2 I= 3 ������������ 2 I= 3 ������������ 2 2 2 I= (0.05673 ������������)(0.0343 ������)2 I= (0.00252 ������������)(0.01975 ������)2 3 3 I = 0.00004449485 kg. m2 I = 0.0000006553 kg. m2 11 Because their moments of inertia are different, it requires a greater force to get the tennis ball rotating than it does to the. A car accelerates uniformly from rest at 3.2 m/s 2. When the car has traveled a distance of 40. meters, its speed will be A) 8.0 m/s C) 16 m/s B) 12.5 m/s D) 128 m/s 11. A ball starting from rest accelerates uniformly at 5.0 meters per second 2 as it rolls 40. meters down an incline. How net force acting on the cart 4 initial velocity of. • A golf club undergoes an inelastic collision with a golf ball and gives it an initial velocity of 60 m s-1. The ball is in contact with the club for 15 ms and the mass of the ball is 4.5 × 10-2 kg. • (a) Explain what is meant by an inelastic collision. • (b) Calculate (i) the change in momentum of the ball

A rolling ball has an initial velocity of -1

11. The velocity of a pitched baseball has a magnitude of 40 m/ s before it is struck by a bat, and It IS returned With a velocity of 60 m/s in the opposite direction. If the ball remains in contact with the bat for 1.5 milliseconds find the magnitude of the average force applied by the bat. The baseball has a mass of 0.15 kg. (5) 100 N (1. The v a and v b are the velocities of the block and ball originally, which are given. The v a2 and v b2 are the final velocities of the block and ball. We know that the v a is zero because it starts off a rest. Substitute in the given values: v a2 -v b2 = 0.8 ( 0- 2 m/s) v b2 -v a2 = -1.6 m/s. v b2 = v a2 - 1.6 com,0=8.5 m/s and initial angular speed ω 0=0. The coefficient of kinetic friction between the ball and the lane is 0.21. The kinetic frictional force f k acting on the ball (Fig. 12-34) causes a linear acceleration of the ball while producing a torque that causes an angular acceleration of the ball. When speed v com has decreased enough and.

Ball A is thrown vertically upward from the top of a 25 m-high-building with an initial velocity of 7 m's. At the same instant another ball, B, is thrown upward from the ground with an initial velocity of 19 m's. a) Determine the height from the ground at which they pass each other. Take the ground to be s=0. Ball A: so =25 m, vo =7 m's. A ball is pushed with an initial velocity of 4.0 m/s. The ball rolls down a hill with a constant acceleration of 1.6 m/s 2 The ball reaches the bottom of the hill in 8.0 s. What isthe ball's velocity at the bottom of the hill. a. 10 m/s b. 12 m/s c. 16 m/s d. 17 m/s 2 11) In the figure, a 4.0-kg ball is on the end of a 1.6-m rope that is fixed at 0.The ball is held at point A, with the rope horizontal, and is given an initial downward velocity.The ball moves through three quarters of a circle with no friction and arrives at B, with the rope barely under tension.The initial velocity of the ball, at point A, is closest t has: A. greater speed than the ball B. less speed than the ball C. the same speed as the ball D. greater or less speed than the ball,depending on the angle of inclination E. greater or less speed than the ball, depending on the radius of the ball ans: A Chapter 11: ROLLING, TORQUE, AND ANGULAR MOMENTUM 16

7. A golf ball is propelled with an initial velocity of 60 meters per second at 37° above the horizontal. The horizontal component of the golf ball's initial velocity is (a) 30 m/s (b) 40 m/s (c) 36 m/s (d) 48 m/s 8. A ball is kicked with and initial velocity of 8.5 m/s at an angle of 35° above the horizontal. The ball's The ball has a velocity of 4.00 m/s after rolling a distance 6.00 m across the floor. What was the initial speed of the ball? Since the acceleration is in the opposite direction of the ball's velocity, the ball's velocity is decreasing at the rate of 0.1 m/s each second. Use the following equation to determine the ball's initial velocity 30 m/s x y 30 1. Block B (1 kg) is moving on the smooth surface at 10 m/s when it squarely strikes block A (3 kg), which is at rest. If the velocity of block A after the collision is 4 m/s to the right, (v B) 2 is A) 2 m/s B) 7 m/s C) 7 m/s D) 2 m/s B A v B =10 m/s R = 0.105 m is thrown down the lane with an initial translational speed of v = 8.5 m/s and no rotational speed. The coefficient of kinetic friction between the sliding ball and the ground is μ = 0.33. Once the ball begins to roll without slipping it moves with a constant velocity down the lane. Mechanics Lecture 16, Slide 2

acceleration, α, of the ball about its center given as fkR = Icm α, or µMgR = (2/5)MR 2 α, or α = 5 µg /2R. This angular acceleration sets the ball rotating with increasing angular velocity in anticlockwise direction whose magnitude ω, at any instant t, is given by ω = αt. (2) When the ball starts pure rolling, V = ωR (3 217. A projectile is launched with a velocity of 40 m/s. For which launch angle is initial horizontal velocity 20 m/s? A 60 degree B) 30 degrees C) 45 degrees D) 25 degrees e e 218. A space probe dropped onto Jupiter's Moon, Ganymede, reaches a final velocity of 10 m/s when dropped from a height of 36m. What wil A. 0 m/s B. 1.0 m/s C. 1.6 m/s D. 2.0 m/s 22. How long must a 60 N net force act to produce a change in momentum of 240 kg m/s? A. 4 s B. 3 s C. 2 s D. 1 s 23. As shown above, a tennis ball of mass, m rebounds from a vertical wall with the same speed v as it had initially. What is the change in momentum of the ball? A. 2mvsinθ B. 2mvcos� Example In the given picture below, Alice throws the ball to the +X direction with an initial velocity 10m/s. Time elapsed during the motion is 5s, calculate the height that object is thrown and Vy component of the velocity after it hits the ground. Example John kicks the ball and ball does projectile motion with an angle of 53º to horizontal. A cyclist sprints at the end of a race to clinch a victory. She has an initial velocity of 11.5 m/s and accelerates at a rate of 0.500 m/s 2 for 7.00 s. (a) What is her final velocity? (b) The cyclist continues at this velocity to the finish line

A block slides across a horizontal frictionless floor with an initial velocity of 3.0 m/s, it then A mall throws a ko baseball at a speed of 40.0 m/ s at an initial angle of 30.00 with e. 1.6 J. S = COS 0 In the figure below, the pulley has negligible mass, and both it and the inclined plane are. A 5.50-kg bowling ball moving at 9.00 m/s collides with a .850-kg bowling pin, which is scattered at an angle of 85.0º to the initial direction of the bowling ball and with a speed of 15.0 m/s. (a) Calculate the final velocity (magnitude and direction) of the bowling ball. (b) Is the collision elastic? (c) Linear kinetic energy is greater. Description: A bird flies in the xy­plane with a velocity vector given by v_vec = ( alpha ­ beta t^2)i_unit + gamma t j_unit, with alpha = 2.4 m/s, beta = 1.6 m/s^3, and gamma = 4.0 m/s^2. The positive y­direction is vertically upward. At t = 0 the bird is at.. A ball rolls across a floor with an acceleration of 0.100 m/s^2 in a direction opposite to its velocity. The ball has a velocity of 4.00 m/s after rolling a distance 6.00 m across the floor

A. 12 m/s B. 90 m/s C. 60 m/s D. 20 m/s E. 10 m/s 9. An 80 kg diver jumps off a moving boat. The boat has a mass of 400 kg and moves at a constant velocity of 2 m/s. What is the velocity of the boat after the jump if the diver jumps with a velocity of 3 m/s in opposite direction to the initial velocity of the boat? A. 2 m/s B. 3 m/s C. 4 m/s D. A ball is thrown vertically upward from the 12-m level in an elevator shaft with an initial velocity of 18 m/s. At the same instant an open-platform ele-vator passes the 5-m level, moving upward with a constant velocity of 2 m/s. Determine (a) when and where the ball will hit the elevator, (b) the relativ I kicked a soccer ball from 40m away from the goal. The ball traveled at an initial velocity of 20m/s [50 degrees above the horizontal] and then the goalie caught it. I want to calculate for the final velocity the ball had before the 1.7m tall goalie caught it

A football is kicked with an initial velocity of 25 m/s at an angle of 45-degrees with the horizontal. Determine the time of flight, the horizontal distance, and the peak height of the football. A long jumper leaves the ground with an initial velocity of 12 m/s at an angle of 28-degrees above the horizontal 17.A hiker throws a ball at an angle of 21.0° above the horizontal from a hill 21.0 m high. The hiker's height is 1.750 m. The magnitudes of the horizontal and vertical components of the velocity are 14.004 m/s and 5.376 m/s, respectively. Find the distance between the base of the hill and the point where the ball hits the ground 1. You are on top of a building 45 meters high when you toss a ball upward with an initial velocity of 52.0 m/s. This ball then lands on the roof of an adjacent building which is 155 meters high. a) How long will it take for the ball to reach the adjacent roof? Ans. The general formula for vertical height is y(t) = y o + v yo t - ½gt2 (1) 6.0 m/s 2 (2) 2.0 m/s 2 (3) 3.0 m/s 2 (4) 4.0 m/s 2 : 7. A ball is rolling horizontally at 3.00 meters per second as it leaves the edge of a tabletop 0.750 meter above the floor. The ball lands on the floor 0.391 second after leaving the tabletop. increasing the initial horizontal velocity to 2v x (4) increasing the height to 2h : 9

What is the momentum of an 10 kg bowling ball rolling at 3

1. A 5.50-kg bowling ball moving at 9.00 m/s collides with a .850-kg bowling pin, which is scattered at an angle to the initial direction of the bowling ball and with a speed of 15.0 m/s. Calculate the final velocity (magnitude and direction) of the bowling ball
2. 1.6 km. d. 1.0 km. e. 16.A 3.0-kg ball with an initial velocity of (4. i + 3. j) m/s collides with a wall and rebounds with a velocity of (-4. i + 3. j 17.At the instant a 2.0-kg particle has a velocity of 4.0 m/s in the positive . x. direction, a 3.0-kg particle has a velocity of 5.0 m/s in the positive . y. direction. What is the.
3. A child kicks a ball with an initial velocity of 8.5 meters per second at an angle of 35º with the horizontal, as shown. The ball has an initial vertical velocity of 4.9 meters per second and a total time of flight of 1.0 second. [Neglect air resistance.] 12. The horizontal component of the ball's initial velocity is approximatel
4. B) acceleration of 9.81 m/s2 C) velocity of 1.00 m/s D) velocity of 9.81 m/s 15.A freely falling object near the Earth's surface travels downward at a constant Base your answers to questions 16 through 20 on the graphs below which represent various phenomena in physics. [Note: A graph may be used more than once.] A) A B) B C) C D)
5. g that the ground is measured as 0 meters and the table is considered to be in the positive.
6. B) 10 m/s C) 20 m/s D) 40 m/s E) 100 m/s 18. In which one of the following situations is zero net work done? A) A ball rolls down an inclined plane. B) A physics student stretches a spring. C) A box is pulled across a rough floor at constant velocity. D) A projectile falls toward the surface of Earth
7. The sphere has a constant translational velocity of 10 m/s, a mass of 25 kg, and a radius of 0.2 meters. The moment of inertia of a sphere is 2/5 MR^2. The sphere approaches a 25 degree incline of height 3 meters as shown below and rolls up without slipping

11.1 Rolling Motion - General Physics Using Calculus

Slide 5-5 (a) An outfielder catches a baseball.Is the collision between ball and glove elastic, inelastic, or totally inelastic? totally inelastic, relative speed after is zero (b) When a moving steel ball 1 collides head-on with a steel ball 2 at rest, ball 1 comes to rest and ball 2 moves away at the initial speed o Calculate the displacement and velocity at times of (a) 0.500 s, (b) 1.00 s, (c) 1.50 s, and (d) 2.00 s for a ball thrown straight up with an initial velocity of 15.0 m/s. Take the point of release to b

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