Which change would increase the kinetic energy of a moving object the most? Choose the correct answer.
O reducing the mass by half
O reducing the speed by half
O doubling the mass of the object
O doubling the speed of the object

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.

Asystematic approach to problem solving is called a (an)

Does anyone have the answers to online physics course plato course physics, semester a v3.0