Question

A bullet of mass 20 g comes out from the barrel of a gun with a muzzle velocity of
400 m/s.What is the kinetic energy of the bullet

Answer 1

Explanation:

We know that ,,

Kinetic energy(K.E) = 1/2. m.v²

where m is mass of the body

v is the velocity of the body.

here.

mass, m= 20g = 0.02 kg

velocity, v= 400 m/s

K.E = 1/2* 0.02 * (400)²

= 1600 Joules

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