Question

A body of mass 20 kg is
moving with a velocity of 1 ms-
1 Another body B of mass 1 kg
is moving wills a velocity of 20
ms-1. Find the ratio of kinetic
energy of A and B. *​

Answer 1

$\huge{\underline{\tt{\red{Answer-}}}}$

1:20

Explanation:

K.E. of A : K.E. of B

$\dfrac{1}{2} m_1v^2_1 : \dfrac{1}{2} m_2 v^2_2$

$\dfrac{1}{2} \times 20\times 1\times1 : \dfrac{1}{2} \times 1\times20\times20$

$10:200$

$1:20$