Which two terms best describe the gravitational force? strongest, repulsive weakest, repulsive strongest, attractive weakest, attractive

Acommercial refrigerator with refrigerant-134a as the working fluid is used to keep the refrigerated space at -35°c by rejecting waste heat to cooling water that enters the condenser at 18°c at a rate of 0.25 kg/s and leaves at 26°c. the refrigerant enters the condenser at 1.2 mpa and 50°c. if the compressor consumes 3.3 kw of power, determine (a) the mass flow rate of the refrigerant, (b) the refrigeration load, (c) the cop, and (d) the minimum power input to the compressor for the same refrigeration load.

Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?

Examples of states of consciousness include a. daydreaming b. dreaming during sleep c. hypnosis d. all of the above