A 5 g bullet travelling at 300 m/s strikes and is embedded in a 500 g target mov

Question

A 5 g bullet travelling at 300 m/s strikes and is embedded in a 500 g target moving toward it at 5 m/s. Find the common speed of the bullet + target after impact. A 5 g bullet travelling at 300 m/s strikes and goes right through a 500 g target moving toward it at 5 m/s. If the bullet emerges with a speed of 150 m/s, how fast and in what direction will the target move? A 5 g bullet travelling at 300 m/s strikes a 500 g stationary target and bounces off straight back along the original direction. If the bullet recoils with a speed of 150 m/s, how fast and in what direction will the target move?

Explanation / Answer

10.

By Conservation of momentum

MBVB+MTVT=(MB+MT)V

5*300 +500*(-5) =(5+500)V

V=-1.98 m/s

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