What is the power of a machine that transfers 15,000 J of energy in 1 minute?

Under normal temperature and pressure conditions, what type of rock could be formed from weathering in erosion of metamorphic rock

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.

How is the gravitational force related to the distance between two objects?