An aluminum has a mass of 8.1g and a volume of 3 mL. What is it's density of aluminum?

Which material produces static charge when rubbed?

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.

In a system, when potential energy decreases, then entropy also decreases. true false