When sunlight shines on a leaf the leaf looks green why does the leaf look green It absorbs all the white light and turn most of it into green light
It absorbs only the green part the light
It reflects the green light waves and absorbs most of the rest
It gives off its own green light

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.

Why is metal often used for cooking pan?

Select all the correct answers.which two statements are true? a moving magnetic field creates an electric field.a constant magnetic field creates an electric field.a constant electric field creates a magnetic field.a moving electric field creates a magnetic field.resetnext