Question

A person holding a rifle (mass of person and rifle together is 100 kg ) stands on a smooth surface and fires 10 shots horizontally in 5 s. Each bullet has a mass of 10 g with a muzzle velocity of 800 m/s . The final velocity acquired by the person and the average force exerted on the person are a)-1.6m/s, 8N
b)-0.08 m/s,16N
c)-0.8m/s,8N
d)-1.6m/s,16N

Answer 1

Answer:

a smooth surface and fires 10 shots horizontally in 5 s. Each bullet has a mass of 10 g with a muzzle velocity of 800 m/s . The final velocity acquired by the person and the average force exerted on the person are a)-1.6m/s, 8N

b)-0.08 m/s,16N

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