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1990B1. A bullet of mass m is movmg horizontally with speed vo when it hits a block of mass 100m that is at rest on a horizontal frictionless table, as shown above. The surface ofthe table is a height h above the floor. After the impact, the bullet and the block slide off the table and hit the floor a distance x from the edge of the table. Derive A ball of mass m is placed on top of a ball of mass M (where m < M), and the balls are dropped simultaneously from some height h. When the balls hit the floor, the ball on top will shoot upwards.

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A ball of mass 9m is dropped from rest from a height H = 5.0 meters above the ground, as shown above on the left. It undergoes a perfectly elastic collision with the ground and rebounds. At the instant that the ball rebounds, a small blob of clay of mass m is released from rest from the original height H, directly above the ball, as shown above on the right. 13. Two balls of same mass are dropped from the same height h, on to the floor. The first ball bounces to a height h/4 ,after the collision & the second ball to a height h/16. The impulse applied by the first & second ball on the floor are I 1 and I 2 respectively. Then (A) 5I 1 = 6I 2 (B) 6I 1 = 5I 2 (C) I 1 = 2I 2 (D) 2I 1 = I 2

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14. A large ball of modelling clay is dropped from a height of 2 m to the floor. The ball does not bounce back up in the air. Explain this in terms of the conservation laws discussed in this chapter. O Edvantage Interactive 2013 15. A girl lifts a 30. kg box from the ground up to a table 1.0 m high in a time of 1.5 s. A weightlifter friend ... Q: A pole-vaulter of mass 60.0 kg vaults to a height of 6.0 m before dropping to thick padding placed below to cushion her fall. (a) Find the speed with (a) Find the speed with Q: A rifle has a mass of 4.5 kg and it fires a bullet of mass 10.0 g at a muzzle speed of 820 m/s.

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15. A steel ball is dropped from a height (h) of 90m as shown in the diagram below. What is the potential energy, PE, and kinetic energy, KE, of the ball at h = 36:0 m? A. PE = 240 J and KE = 240 J B. PE = 240 J and KE = 360 J C. PE = 360 J and KE = 240 J D. PE = 360 J and KE = 360 J 16. A child is on a sled moving down a hill at 20meters ... A cue ball collides elastically with another (blue) ball initially at rest. What can you say about the speeds of the balls after the collision? A ball of mass m dropped from initial height h hits the floor and rebounds to a height 0.9h. What change in the ball’s kinetic energy occurred during the collision with the floor? 1. 0 2. 0.1mgh 3.

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A billiard ball (ball 1) moves along the +x axis with a velocity of 2 m/s. A second identical billiard ball (ball 2) moves in the same direction . at 4 m/s, catches up to ball 1 and collides elastically with it. What are . the speeds of ball 1 and 2 After the collision? Conservation of linear momentum says: pp fi = mv mv mv mv 1 1f 2 2f 1 1i 2 ...

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tv 33. A ball of mass m is dropped from height h on a horizontal floor which collides with it with speed u. If coeff of restitution in floor is e, then impulse imparted to ball by the floor on its second rebounce is (1) meu (2) meu (e + 1) (3) meu (e + 1) (4) me'u (e-1)A rubber ball is held motionless at a height, h0, above a hard floor and is released. Assuming that the collision with the floor is elastic, which one of the following graphs best shows the relationship between the total energy, E, of the ball and its height, h, above the surface?

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A car (mass = 1100 kg) is traveling at 41 m/s when it collides head-on with a sport utility vehicle (mass = 2330 kg) traveling in the opposite direction. In the collision, the two vehicles come to a halt. At what speed was the sport utility vehicle traveling? [19.4] m/s A wagon is coasting at a speed v a along a straight and level road. When 16 ... A ball of mass 9m is dropped from rest from a height H = 5.0 meters above the ground, as shown above on the left. It undergoes a perfectly elastic collision with the ground and rebounds. At the instant that the ball rebounds, a small blob of clay of mass m is released from rest from the original height H, directly above the ball, as shown above on the right.

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(II) A softball of mass 0.220 kg that is moving with a speed of collides head-on and elastically with another ball initially at rest. Afterward the incoming softball bounces backward with a speed of Calculate (a) the velocity of the target ball after the collision, and (b) the mass of the target ball. Impulse = ∆Momentum Consider Newton’s 2nd Law and the definition of acceleration Units of Impulse: Units of Momentum: Momentum is defined as “Inertia in Motion” Ns Kg x m/s Example A 100 g ball is dropped from a height of h = 2.00 m above the floor. It rebounds vertically to a height of h'= 1.50 m after colliding with the floor. A baseball of mass 0.25 kg is hit at home plate with a speed of 40 m/s. When it lands in a seat in the left-field bleachers a horizontal distance 120 m from home plate, it is moving at 30 m/s. If the ball lands 20 m above the spot where it was hit, how much work is done on it by air resistance?

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A ball of mass m is dropped from rest from a height h and collides elastically with the floor, rebounding to its original height. What is the magnitude of the average force applied by the floor on the ball during the time the ball is in contact with the floor?

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1 Answer to 4. Two equal mass balls (one red and the other blue) are dropped from the same height. The red ball collides elastically with the floor. The blue ball collides completely inelastically with the floor. Which ball experiences the greatest momentum change during its collision with the floor? A)...% %%%%% % % % % The Project Gutenberg EBook of Scientific Papers by Sir George Howard % % Darwin, by George Darwin % % % % This eBook is for the use of anyone ...

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(b)A tennis ball is dropped on the floor (zero initial velocity) from a height of 4.05 m and it rebounds to a height of 3.20 m. If the ball was in contact with the floor for 0.01 s, what was its average acceleration vector during contact? (Take g=10m/s2) (2 Points) 2. A ball rolls off the edge of a horizontal table 1.25 m high.

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(b)A tennis ball is dropped on the floor (zero initial velocity) from a height of 4.05 m and it rebounds to a height of 3.20 m. If the ball was in contact with the floor for 0.01 s, what was its average acceleration vector during contact? (Take g=10m/s2) (2 Points) 2. A ball rolls off the edge of a horizontal table 1.25 m high. 7. U-K 8. W- 8£[h 9.U-->4~ l QK-->4~ II. A ball of puny is dropped from a height of 2 m onto a hard floor, where it sticks. What object or objects need to be included within the system if the system is to be isolated during this process? 12. A 0.5 kg mass on a I-m-long string swings in a circle on a hori­

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Oct 18, 2012 · Two spheres of mass M1 and M2 are arranged one above the other, separated by a fraction of a millimeter. They are released from rest and allowed to fall to the ground, a distance h = 7.0 m below. Mass M2 collides elastically with the ground and then elastically with mass M1. Calculate the maximum height the centre of M1 rises above the ground after the collision. Assume D = 20 cm, d = 5 cm, M1 ... A vertical spring with a spring constant of 370 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.15-kg block is dropped from rest. It collides with and sticks to the spring, which is compressed by 2.6 cm in bringing the block to a momentary halt.

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A golf ball of mass m = 0.11 kg is dropped from a height h. It interacts with the floor for t = 0.165 s, and applies a force of F = 19 N to the floor when it elastically collides with it. Write an expression for the ball's velocity, v, in terms of the variables m, t, and F, just after it rebounds from the floor.8. A ball is dropped on to the floor from a height of 10 m. it rebounds to a height of 2.5 m. if the ball is in contact with the floor for 0.01 s. the average acceleration during contact is: (a) 2800 m/s 2 (b) 700 m/s 2 (c) 2100 m/s 2 (d) 1400 m/s 2 9. Question: Problem 7: A Golf Ball Of Mass M=0.19 Kg Is Dropped From A Height H. It Interacts With The Floor For I = 0.15 S, And Applies A Force Of F = 10.5 N To The Floor When It Elastically Collides With It. Randomized Variables M= 0.19 Kg 1 = 0.155 F= 10.5 N Part (a) Write An Expression For The Ball's Velocity, V, In Terms Of The Variables M, T, And F, Just ...

6. (16 pts) A block of mass m 2.2 kg starts at rest on a rough inclined plane a height H 9 m above the ground. It slides down the plane, across a frictionless horizontal floor, and then around a frictionless loop-the-loop of radius R 2.0 m. On the floor the speed of the block is observed to be 12 Ill//s. 12 m/s
A ball with mass M, moving horizontally at 5.00 m/s, collides elastically with a block with mass 3M that is initially hanging at rest from the ceiling on the end of a 50.G-cm wire. Find the maximum angle through which the block swings after it is hit.
Feb 06, 2019 · The heat energy produced by friction gets dissipated and hence can not be converted back into original form of energy. Home Next Previous Suppose a ball of mass ‘m’ dropped from a height H. Let the velocity of the ball at the height H (position A) be v(H) = 0, v(h) at the height h (position B) and v(0) at the ground level (position C). Dropped from a height of 9.8 m, the life preserver takes (9.8 m =gt 2 D ); t =1.4 seconds to reach the water. In that 1.4 seconds the swimmer covered (6.0 m 2.0 m) =4.0 m meaning the water speed is (4.0 m)/(1.4 s) 46. The ball takes time T/2 to reach height H. Using v y t d v v v f i = + = 2 =0 at maximum height and gives the initial speed as 4H/T.