Question

A bullet of mass 20g is fired horizontally with a velocity 100 ms-1 from a pistol of
mass 1.5 kg. Calculate the recoil velocity of the pistol.

Answer 1

Hello Broh !
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As we know 
m1v1=m2v2
m1 = 0.020 kg
v1  = 100 m/s
m2 = 1.5 kg
v2  =?
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ATQ 
0.02 X 100 = 1.5v2
2X 10/15    = v2
4/3             = v2 
v2              =  1.33 m/s

Answer 2

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