While a balloon-supported gondola is rising at a speed of 2.0 m/s, a passenger in the gondola throws a small ball down at a speed of 5.0 m/s relative to his body. A person who measures the ball's velocity at the instant of release will find that the ball's velocity relative to the ground at that instant is

To create electromagnetic induction, which of the following has to move? a. a wire b. a magnet c. a transformer d. either a or b

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a

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