Physics

Problem

Three carts move along a straight track. P:

2\,\text{kg}

4\,\text{m/s}

4\,\text{kg}

1.5\,\text{m/s}

1\,\text{kg}

9\,\text{m/s}

Choose the correct ranking of their momenta from highest to lowest. a)

Q > P > R

R > Q > P

R > P > Q

Q > R > P