A 50g bullet leaves a rifel with vel of 400m/s and the rifel recoil with vel of 0.5m/s calc the mass of rifel
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Answer: 40kg
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Answer:
40 kg.
Explanation:
Mass of bullet (m1)= 50g= .05kg
Velocity of bullet (v1)= 400m/s
Mass of rifle (m2) = ?
Velocity of rifle (v2) = .5m/s
By Law of conservation of mass.
m1v1 = m2v2
m2 = m1v1/ v2
m2= .05×400/.05
m2 = 40 kg
Mass of rifle is 40kg.
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