Where is the potential energy of the roller coaster the lowest

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.

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.