How important do you think temperature, radiation, and geologic activity are to the habitability in general?

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.

Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.