3. When an unbalanced force acts on a mass, what statement below is true? a. The mass will not change mechanical energy.
b. The mass will change potential energy.
c. The mass will change kinetic energy.
d. The mass will change heat energy.

Two friends are having a conversation. anna says a satellite in orbit is in freefall because the satellite keeps falling toward earth. tom says a satellite in orbit is not in freefall because the acceleration due to gravity is not 9.80 m/2 . who do you agree with and why?

Why do electron microscopes have higher resolving power than light microscopes?

The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .