Physics, 28.11.2019 01:31 innocentman69
Areversible power cycle whose thermal efficiency is 43% receives 50 kj by heat transfer from a hot reservoir at 300oc and rejects energy by heat transfer to a cold reservoir at temperature tc. determine the energy rejected, in kj, and tc, in oc. determine the entropy production for the cycle, σcycle, in kj/k.
Answers: 1
Physics, 21.06.2019 17:20, ednalovegod
The specific heat of silver is 0.057 calories/gram°c. if 10.0 grams of silver were heated and the temperature of the sample changed by 20.0°c, how many calories of heat energy were absorbed by the sample?
Answers: 1
Physics, 22.06.2019 07:00, hdjsjfjruejchhehd
If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?
Answers: 2
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