Physics, 30.09.2019 22:30 basketball6076
The population in the united states in 2015 was 321 million people. it is projected to increase to 438 million people by the year 2050.
if projections are true, the us population will increase % from 2015 to 2050.
Answers: 1
Physics, 22.06.2019 02:30
Which feature of a heating curve indicates a change ofn state
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Physics, 22.06.2019 06:00
What will a positive and a negative charge do if they are separated from each other?
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Physics, 22.06.2019 15:30
What is a subatomic particle with a negative charge and very little mass?
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Physics, 22.06.2019 16:50
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.
Answers: 2
The population in the united states in 2015 was 321 million people. it is projected to increase to 4...
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