Which can remove thermal energy from a colder object and add it to a warmer object? 1. oven
2 refrigerator
3.dishwasher​

6–55 refrigerant-134a enters the condenser of a residential heat pump at 800 kpa and 358c at a rate of 0.018 kg/s and leaves at 800 kpa as a saturated liquid. if the compressor consumes 1.2 kw of power, determine (a) the cop of the heat pump and (b) the rate of heat absorption from the outside air.

Madison pushes with a 210-n horizontal force on a 24-kg crate of coffee resting on a warehouse floor. the force of friction on the crate is 74 n. what is the acceleration?

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration