Question

gun of mass 2 kg fibres a bullet of mass 80 g
with a velocity 300 m/s the recoils velocity of the gun is


A 4 m/s

B 12 m/ s

C 24 m/s

D 14 m/s​

Answer 1

Answer:

B is tge correct answer

Explanation:

I think this is right answer

Answer 2

Answer:

b is the correctanswer

Explanation:

m1u1 +m2u2 =m1v1+m2v2

2×0+8/1000×0= 2xv1+8/1000×300

0 = 2v1 +24

-24/2 =v1

v1 =-12m/s