A bullet of mass 0.02kg is fired from a gun whose mass is 7.5kg if the initial velocity of the bullet is 200m/s.Calculate the speed with which the gun recoils back.
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mass of bullet=0.02kg
mass of gun=7.5kg
initial velocity of bullet=200m/s
final velocity=? (consider as "x")
formula:
mass of bullet*initial velocity+mass of gun+final velocity=0
0.02*200+7.5*x=0
4+7.5x=0
7.5x=-4
x=-4/7.5m/s
mass of gun=7.5kg
initial velocity of bullet=200m/s
final velocity=? (consider as "x")
formula:
mass of bullet*initial velocity+mass of gun+final velocity=0
0.02*200+7.5*x=0
4+7.5x=0
7.5x=-4
x=-4/7.5m/s
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