Asked by Mike
A bullet with a mass of 28 g is fired from a 2.8-kg gun that is stationary, but free to recoil. After the bullet is fired, the gun is observed to be moving at 1.4 m/s [left]. What is the velocity of the
bullet?
bullet?
Answers
Answered by
bobpursley
let left be negative.
initial (before shooting, momentum was zero, so after shooting, the sum of the bullet and gun momentum has to be zero
28*V +2800*(-1.4)=0
solve for V
initial (before shooting, momentum was zero, so after shooting, the sum of the bullet and gun momentum has to be zero
28*V +2800*(-1.4)=0
solve for V
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