Question

(uneo
10
)
7. A bullet of mass 20 g is fired from a rifle of mass 2 kg and the bullet comes out with a muzzle speed of
200 m s-1. What is the recoil speed of the rifle? Also, find the kinetic energies of the bullet as well as that
of rifle on recoil. Are the two energies equal?
[Ans: 2.0 m s-1, 400 J, 4 J, No]​

Answer 1

Answer:

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Answer 2

Answer:

No dear, Kinetic energies are not equal...