Question

If an object of mass 2 kg is moving with a velocity of 10 metre per second then its kinetic energy is​

Answer 1

E = 1/2 mv²

= 1/2 *2 * 10*10

= 100

kinectic energy = 100J

Answer 2

We know that energy =1/2 Mvsquare
So here m=2
V=10
2x10=20newton