Assuming a chevy cruze may be operated indefinitely at 30 m/s with no stops for provisions,
and may be refueled in transit, how long (in years) would be required for the chevy
vehicle to travel one light year?

a. 1,000 years
b. 100,000 years
c. 1,000,000 years
d. 10,000,000 years

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

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.