Draw a ray diagram for virtual image in case of convex and concave lens and in case of convex and concave mirrors.

Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.

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.

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f