First slide

Kinetic energy

Question

Two Masses of M and 4M are moving with equal kinetic energy. The ratio of their linear momenta is :

Moderate

A

1:8
B

1:4
C

1:2
D

4:1

Solution

$\frac{p_{1}}{p_{2}} = \frac{\sqrt{2 K M}}{\sqrt{2 K (4 M)}} = \frac{1}{2}$

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