Model Potential Energy Practice Test

A pendulum bob has mass 2 kg. The lowest point of the swing is chosen as the reference level ($h=0$ m). At each endpoint of the swing, the bob is 0.5 m above the lowest point. Using $g \approx 10\ \text{m/s}^2$, what is the bob’s gravitational potential energy at an endpoint?

Two identical flower pots are placed at the same height of 2 m above the ground (ground is the reference level). Pot A has mass 2 kg and Pot B has mass 4 kg. Using $g \approx 10\ \text{m/s}^2$, how does Pot B’s gravitational potential energy compare to Pot A’s?