A mass, X, of 450 g moving at a speed of collides head-on with a stationary mass, Y.…

PHYSICS · Subjective · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

A mass, X, of 450 g moving at a speed of

3.0 \text{ ms}^{-1}

collides head-on with a stationary mass, Y. Mass X stops and mass Y moves onwards at a speed of

5.0 \text{ ms}^{-1}

. Calculate the mass of Y.