A 0.050 kg tennis ball initially moving at 15 m/s toward you. You return the shot and plot the force exerted on the ball (shown right). What is the velocity of the return shot?

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

What properties of a moving object are used in determining the object's energy of motion