A billiard ball moving at 0.5 m/s strikes another identical billiard ball, which is at rest, in an elastic head-on collision on a level table. Which of the following statements best describes the billiard balls after the collision?     A.The moving ball continues to move at a 0.2 m/s in its original direction and the other ball moves at 0.4 m/s in the same direction.   B.The moving ball rebounds directly back at 0.5 m/s and the other ball remains at rest.   C.The moving ball stops and the other ball moves off at 0.5 m/s in the original direction of the moving ball. D.The balls both move off together in the same direction at 0.25 m/s.

A 20-kg object sitting at rest is struck elastically in a head-on collision with a 14-kg object initially moving at +5.0 m/s. Find the final velocity of the 20-kg object after the collision. O8+7.0 m/s Ob 17.0 m/s OC-1.0 m/s Od.-4.0 m/s Oe+4.0 m/s

A 32-kg object #1 having an initial velocity of 42 m/s to the right collides with a 68kg object #2 moving to the left at 17 m/s. The coefficient of restitution for this collision is 0.68. Take right as the + direction.  A. Identify the type of collision. B. Determine the velocities of both objects following the impact. Identify as right or left in each case. C. Determine the percent of the initial kinetic energy lost in the collision.

Q14. Two cars of equal mass, one travelling north, the other east, collide at the same speed at right angles to each other. Assuming the collision is perfectly inelastic, what is the velocity following the collision? a. Ö2 times initial speed, at 45° east of south b. 1//2 times the initial speed, at 45° east of north Ос. twice the initial speed, at 45° east of south d. Ö2 times initial speed, at 45° east of north

A 2.0-kg cart moving to the right with a speed of 1.0 m/s has a head-on collision with a 4.0-kg cart that is initially moving to the left with a speed of 1.5 m/s. After the collision, the 2.0-kg cart is moving to the left with a speed of 0.5 m/s. What is the final velocity of the 4.0-kg cart? a) zero m/s Ob) 1.5 m/s to the right c) 1.5 m/s to the left d) 0.75 m/s to the right e) 0.75 m/s to the left

A 1 500 kg car travelling at 25 m/s collides with a 2 500 kg van stopped at a traffic light. As a result of the collision, the two vehicles become entangled. With what initial speed will the entangled mass move off, and is the collision elastic or in elastic? (K:1) SPEED TYPE OF COLLISION A. 9.4 m/s Flastic B. 9.4 m/s Inclastic C. 15 m/s Elastic D. 15 m/s Inclastic Select one: O C D QA B O

b. A 1200-kg car moving with a velocity VA = 25.0 m/s i crashes into the back of a 9000-kg truck moving at a velocity VB of 20.0 m/s i. The velocity of the car immediately after the collision is 18.0 m/s i. i. what is the velocity of the truck immediately after the collision ( to the nearest integer) ii. the coefficient of restitution between them. What type of collision is this? iii. the change in mechanical energy of the car-truck system in the collision. How do you account for the change in mechanical energy?

I.  A lump of clay (m = 3.01 kg) is thrown towards a wall at speed v = 3.15 m/s.  The lump sticks to the wall.  (a) What kind of collision is it?  Is momentum conserved during this collision?  Why or why not? (b) Calculate the impulse imparted on the lump by the wall. (c) Calculate percent of initial kinetic energy lost during this collision.   II.  Same lump is thrown towards the same wall, but this time it bounces off the wall at speed of 3.15 m/s. (a) What kind of collision is it?  Is momentum conserved during this collision?  Why or why not? (b) Calculate the impulse imparted on the lump by the wall. (c) Calculate percent of initial kinetic energy lost during this collision.   III.  Same lump is thrown towards the same wall, but this time it bounces off the wall at speed of 2.24 m/s. (a) What kind of collision is it?  Is momentum conserved during this collision?  Why or why not? (b) Calculate the impulse imparted on the lump by the wall. (c) Calculate percent of initial kinetic…

A 100 g cart initially moving at +0.5 m/s collides elastically from a stationary 180 g cart.  Using the equation in the picture, calculate the final velocity of the 100 g cart.