The image below shows four points on the orbit of a comet around the Sun. At which point does the comet have the most gravitational potential energy?
A. Point B
B. Point A
C. Point C
D. Point D

Asample of a gaseous substance changes into a liquid

What is the length x of the side of the triangle below? (hint: use the cosine function)

Acup of coffee sits on the dashboard of an automobile. the car goes around a sharp curve. even though you hold the cup still, coffee still splashes out. this can best be explained due to a) density. b) friction. c) gravity. d) inertia.