Lthough robots have largely taken the place of humans for travel to the moon and beyond, humans will likely return to the moon someday. Where should we land? Calculate how hot it gets when the sun is directly overhead. (The moon reflects 12% of incoming light back into space.)

An apple is falling from a tree. disregarding air resistance, which diagram shows the free-body diagram of the force or forces acting on the apple?

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct