Momentum Practice Test

A $0.50,\text{kg}$ ball moves right at $8.0,\text{m/s}$, and a $2.0,\text{kg}$ cart moves right at $1.0,\text{m/s}$. Which has the greater momentum magnitude?

A $4.0,\text{kg}$ glider moves at $+2.5,\text{m/s}$ along the $x$-axis. What is the direction of its momentum?