A bullet of mass 20g is horizontally fired with a velocity 150m/s from a pistol of 2 kg.What is the recoil velocity of the pistol?
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mass of bullet=20g
velocity of bullet= 150m/s
mass of pistol=2kg=2000g
velocity of pistol=?
mass of bullet × velocity of bullet= mass of pistol ×velocity of pistol
20 ×150= 2000× velocity of pistol
3000=2000× velocity of pistol
velocity of pistol =3000 /2000
=3/2= 1.5m/s.
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