Which two types of electromagnetic waves have higher frequencies than the waves that make up ultraviolet light?

Which of the following is considered to be a vector?               a.  temperature    b.  velocity    c.  time    d.  mass

50 g of ice at 0°c is dropped in a beaker containing 100 g of water at 0°c. what will be the contents of the beaker after 5 hours? assume that the room temperature is 0°c.

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.