Denisty of red copper is 8.8 gm/cm³ means a. the mass of the volume unit of red copper equals 8.8gm.

b. the mass of the volume unit of red copper doesn't equal 8.8gm.

c. the mass of 10cm³ of red copper equals 8.8gm.

d. the mass of the volume unit of red copper equals 0.8gm​

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.

An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75

What are the factors that affect the resistance of a wire?