Question

A bullet of mass 20 grams is fared with a speed of 200 m/s by using a rifle of mass 4kg. The recoil speed of the rifle is​

Answer 1

Answer:

200 g = 200 / 1000

          = 0.2 kg

recoil velocity = 0.2 / 4 * 200

                        = 10 m/s

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