A car travels 2 hours at 45 miles/ hour. How far did it go?

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.

When an object is heated it contracts. a. true b. false

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.