Ge(s): What factors affect the speed of
sound waves?...
Physics, 19.09.2021 14:00 haymish5810
Ge(s): What factors affect the speed of
sound waves?
Answers: 3
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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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Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?
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Which of the following are guidelines to follow for obtaining accurate observations
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Physics, 22.06.2019 15:50
Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air
Answers: 3
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