Asked by abraham

A bullet of mass0.01kg is fired with a velocity of 200m/s in to a sack of sand of mass 9.99kg which is swinging from rope .At the moment the bullet hits, the sack has a velocity of 0.2m/s. Workout the velocity of bullet and sand just after the bullet hits the sack.

Answers

Answered by Anonymous
You did not say if the sack was moving toward the rifle or away at start
initial momentum = 0.01 * 200 plus or minus 9.99 * 0.20
final momentum = (0.01 + 9.99) v
so
10 v = 2 + or - 2
Answered by Melese
Its correct or
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