Question

The mass of a body is 20 kg. it is moving with a speed of 10 ms-1

. What is its kinetic

energy?​

Answer 1

Answer:

we know formula of kinetic energy is = 1/2 mv^2

here m = 20 kg

v = 10

so k = 1/2 X 20 X (10)^2

= 10 X 100

K = 1000 kg/ms-1 ANS

Answer 2

Answer:

its answer will be 1000 joules

Explanation: As the formula for kinetic energy is 1/2m$v^{2}$. so, plug in mass=20 kg and velocity=10 m$S^{-1}$ in the formula which comes out to be 1000.  Since, the unit of energy is joules. The final answer will be 1000 joules.