A puck slides on frictionless ice at and collides with a second puck of mass that is…

PHYSICS · Single correct · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

0.5\,\text{kg}

puck slides on frictionless ice at

6\,\text{m s}^{-1}

and collides with a second puck of mass

1.0\,\text{kg}

that is initially at rest. The two pucks stick together. Calculate the speed of the combined mass immediately after the collision. (a)

4\,\text{m s}^{-1}

(b)

2\,\text{m s}^{-1}

(c)

3.0\,\text{m s}^{-1}

(d)

3.46\,\text{m s}^{-1}