A balloon is held near a person’s hair, and the hair is not affected. The same balloon is rubbed on a piece of carpeting, and the balloon now attracts hair. Define electric charge and describe what happens to the charge that causes the balloon to attract the hair.

Which fators influence ocean currents

Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.