Question

a body of mass 5 kg in moving with a velocity of 20m s calculate the kinetic energy of the body​

Answer 1

K.E=1/2mv^2

=1/2*5*20*20

=5*4*20

=20*20

=400kg.m/s

Answer 2

Answer:

As we know that

K.E=1/2mv^(2)

= 1/2 ×5 ×20

= 50 joule

I think you have got your answer.