Two stones A and B have the same kinetic energy

PHYSICS · Single correct · CBSE · Physics · Work and Energy · Work and Energy

Problem

Two stones A and B have the same kinetic energy. If the mass of stone A is four times that of stone B, what is the ratio

v_{\text{A}}:v_{\text{B}}

of their speeds? (a)

2:1

(b)

4:1

(c)

1:2

(d)

1:4