Two masses of 1,kg and 16,kg are moving with equal K.E. ratio of magnitude of linear momentum is

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5.Work, Energy, Power and Collision

easy

Two masses of $1\,kg$ and $16\,kg$ are moving with equal K.E. The ratio of magnitude of the linear momentum is

A

$1:2$

B

$1:4$

C

$1\,:\,\sqrt 2 $

D

$\sqrt 2 \,:\,1$

Solution

(b)$P = \sqrt {2mE} .$ $P \propto \sqrt m $
$\frac{{{P_1}}}{{{P_2}}} = \sqrt {\frac{1}{{16}}} = \frac{1}{4}$

Standard 11

Physics

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