A is the answer you can believe me
The intensity of the light has no connection with the photoelectric effect.
That's what was so baffling about it before the particle nature of light
was suspected ... a match with a blue flame might stimulate the
photoelectric effect, but a high-power red searchlight couldn't do it.
The velocity and acceleration of the skydiver will increase as she falls to the ground. According to Newton’s Law of gravity.
6x8 = 48 feet
you can jump 48 feet on the moon