An explosion breaks an object into two pieces, one of which has2.30 times the mass of the other. If 7700 J were released in theexplosion, how much kinetic energy did each piece acquire(a)Calculate the velocity of the target ball after the collision.
heavier piece? ___J
lighter piece? ____J
A softball of mass 0.220 kg that is moving with a speed of 8.0m/s (in the positive direction) collides head-on and elasticallywith another ball initially at rest. Afterward it is found that theincoming ball has bounced backward with a speed of 6.3 m/s.
(a) Calculate the velocity of the target ball after thecollision
____m/s
(b) Calculate the mass of the target ball.
____ kg
A 707 kg car stopped at an intersection is rear-ended by a 1830kg truck moving with a speed of 11.5 m/s. If the car was in neutraland its brakes were off, so that the collision is approximatelyelastic, find the final speed of both vehicles after thecollision.
____ m/s (car)
____ m/s (truck)
