What is the relationship of a force a soccer player applies to a soccer ball and the motion of the ball

What happens to light waves from a star as the star moves away from earth?

State the right hand rule of the direction of magnetic field in a conductor carrying current

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.