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Question: Two masses of 1g and 4g are moving with equal kinetic energies. The ratio of the magnitudes of their...

Two masses of 1g and 4g are moving with equal kinetic energies. The ratio of the magnitudes of their momenta is –

A

4 : 1

B

2\sqrt { 2 } : 1

C

1 : 2

D

1 : 16

Answer

1 : 2

Explanation

Solution

P =2Km\sqrt { 2 \mathrm { Km } }

or P µ

= 14\frac { 1 } { 4 }

\ P1P2\frac { \mathrm { P } _ { 1 } } { \mathrm { P } _ { 2 } } =12\frac { 1 } { 2 }