Which is the relationship between photon energy and frequency?

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.

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

When you hold a rectangular object, how does the area of the side that is resting on your hand affect the pressure and the force that the object exerts?