Starting with an initial speed of 5.00 m/s at a height of 0.300 m, a 1.50-kg ball swings downward and strikes a 4.60-kg ball that is at rest. Using the principle of conservation of mechanical energy, (a) find the speed of the 1.50-kg ball just before impact. (b) Assuming that the collision is elastic, find the velocities (magnitude and direction) of both balls just after the collision. (c) How high does each ball swing after the collision, ignoring air resistance?

A ball moving at 10 m/s makes an off-center elastic collision with another ball of equal mass that is initially at rest. The incoming ball is deflected at an angle of30° from its original direction of motion. Find the velocity of each ball after the collision.

Two identical balls are traveling toward each other with velocities of -3.7 m/s (ball A) and +6.3 m/s (ball B), and they experience an elastic head-on collision. Obtain the velocities (magnitude and direction) of (a) ball A and (b) ball B after the collision.

A steel ball of mass 0.600 kg is fastened to a cord that is 80.0 cm long and fixed at the far end. The ball is then released when the cord is horizontal. At the bottom of its path, the ball strikes a 3.00 kg steel block initially at rest on a frictionless surface. The collision is elastic. (a) Find the speed of the ball just after collision. (No Response) m/s (b) Find the speed of the block just after collision. (No Response) m/s

A steel ball of mass 0.440 kg is fastened to a cord that is 80.0 cm long and fixed at the far end. The ball is then released when the cord is horizontal, as shown in the figure. At the bottom of its path, the ball strikes a 3.10 kg steel block initially at rest on a frictionless surface. The collision is elastic. Find (a) the speed of the ball and (b) the speed of the block, both just after the collision. (a) Number i (b) Number Unit Unit

A cue ball initially moving at 4 m/s strikes a stationary eight ball of the same size and mass. After the collision, the cue ball’s final speed is 1 m/s. Find the cue ball’s angle θ with respect to its original line of motion. This is considered an elastic collision.

A 3.60-kg ball, moving to the right at a velocity of +2.35 m/s on a frictionless table, collides head-on with a stationary 10.0-kg ball. Find the final velocities of (a) the 3.60-kg ball and of (b) the 10.0-kg ball if the collision is elastic. (c) Find the magnitude and direction of the final velocity of the two balls if the collision is completely inelastic.

A 2.90-kg ball, moving to the right at a velocity of +3.25 m/s on a frictionless table, collides head-on with a stationary 7.50-kg ball. Find the final velocities of (a) the 2.90-kg ball and of (b) the 7.50-kg ball if the collision is elastic. (c) Find the magnitude and direction of the final velocity of the two balls if the collision is completely inelastic. (a) Number   Units                                                             (b) Number   Units                                                             (c) Number   Units

Two objects of masses m1 = 2.0 kg and m2 = 1.3 kg moving towards each other with speeds of 2.2 m/s and 3.1 m/s, respectively, collide elastically. Calculate the kinetic energy of the second object after the collision, in joules.

A 4.70-kg ball, moving to the right at a velocity of +3.66 m/s on a frictionless table, collides head-on with a stationary 6.70-kg ball. Find the final velocities of (a) the 4.70-kg ball and of (b) the 6.70-kg ball if the collision is elastic. (c) Find the magnitude and direction of the final velocity of the two balls if the collision is completely inelastic.