Which of the following paraphrases hubble law? select one: a. the greater the distance to a galaxy, the greater its redshift. b. the more distant a galaxy is, the younger it appears. c. the older the galaxy appears to us, the more luminous it is. d. the faster the galaxy spins, the more massive and luminous it is. e. the greater the distance to a galaxy, the fainter it is.

Arefrigerator uses r-134a as the working fluid and operates on the ideal vapor-compression refrigeration cycle except for the compression process. the refrigerant enters the evaporator at 120 kpa with a quality of 34 percent and leaves the compressor at 70°c. if the compressor consumes 450 w of power, determine (a) the mass flow rate of the refrigerant, (b) the condenser pressure, and (c) the cop of the refrigerator. (0.00644 kg/s, 800 kpa, 2.03)