Question

7. Calculate the recoil velocity of a 4 kg gun which shoots a 0.05 kg bullet with a speed of 280 m/s. Ans -35 m/s​

Answer 1

Explanation:

by momentum conservation

Mv=mV

4×v= 280×0.05

v=70×0.05

v=3.5 m/s

the recoil velocity is 3.5 m/s

Answer 2

Answer:

3.5m/s

Explanation:

it wI'll be the right answer and yes you are correct