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Physics, 25.11.2019 04:31 familyvazquez7
77. according to the law of conservation of energy, energy cannot be
.but can be
from one form to another.
nor
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Physics, 22.06.2019 06:10
Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.
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Physics, 22.06.2019 12:10
Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?
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77. according to the law of conservation of energy, energy cannot be
.but can be
from on...
.but can be
from on...
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