Aforce of 20 n acts acts on an object of 4.0 kg mass that is initially at rest. what is the resulting acceleration of the object? how far does the object travel in 6 .0 seconds?

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

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

What are the necessary conditions for fusion?