Physics, 03.02.2021 18:20 ruchierosanp1n3qw
A person gets a running start toward a wall from 5 meters away. The person pushes the wall with a force of 500 newtons, but the wall does not move. How much work is done by the person?(1 point)
100 joules
0 joules
2,500 joules
0.01 joule
Answers: 3
Physics, 22.06.2019 10:30
What are two different ways you could find the value of a? explain these methods.
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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
A person gets a running start toward a wall from 5 meters away. The person pushes the wall with a fo...
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