A coin placed 29.2 cm from the center of a rotating, horizontal turntable slips when its speed is 51.8 cm/s. (a) What force causes the centripetal acceleration when the coin is stationary relative to the turntable?

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

What are the factors that affect the resistance of a wire?

Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.