What occurs when a ball falls from a balcony? a. the earth moves toward the ball. b. neither the ball nor the earth actually move. c. the earth moves away from the ball. d. the ball moves but not the earth

Agas is contained in a vertical, frictionless piston–cylinder device. the piston has a mass of 3.2 kg and a cross-sectional area of 35 cm2. a compressed spring above the piston exerts a force of 190 n on the piston. if the atmospheric pressure is 95 kpa, determine the pressure inside the cylinder.

What can you increase the strength of an electromagnet by

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?