Question

In a police ballistics test, a 10.0-g bullet moving at 300 m/s is fired into a 1.00-kg block at rest. The bullet goes through the block almost instantaneously and emerges with 50.0% of its original speed. What is the speed of the block just after the bullet emerges

Answers

bobpursley
momentum lost=momentum block gained
10*150=1000V
solve for v.
1500

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