Physics

Problem

Cart X has a mass of

2.0\,\text{kg}

and moves east at

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

. Cart Y has a mass of

4.0\,\text{kg}

and moves east at

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

. What is the speed and direction of the center of mass of the two-cart system? a)

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

east b)

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

east c)

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

east d)

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

west