Question

A body A of mass 20 kg is moving with
a velocity 1m/s, another body B of mass 1
kg is moving with a velocity of 20 m/s. The
ratio of K.E. of A and B is
(2 Points)
1:20
20:1
1:1​

Answer 1

Answer:

The right answer is 1:20

As

the formula of kinetic energy is:

K.E= 1/2 mv²

By putting values in the above equation for body a and B, we get K.E 10 ms-¹ and 200ms-¹

which is 1:20