Question

find the kinetic energy of a body of mass 200 kg moving with velocity 30 metre per second​

Answer 1

Explanation:

KE=1/2mv^2

    = 1/2*200*30*30

    = 90000 J

   

Answer 2

Answer:

mass = 200kg , v = 30m/s

kinetic energy = m(v^2)/2

= 200(900)/2 = 90000J