Question

Kinetic energy of a particle is decreased by 3% without change in its mass. Find the percentage of change in its momentum.

Moderate

Solution

$p = \sqrt{2 K m} o r p \propto K^{\frac{1}{2}} (% change in p) = \frac{1}{2} (% change in K) = \frac{1}{2} (- 3 %) = - 1.5 %$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

SCAN ME