Physics, 12.06.2020 03:57 joshua9814
Measurements show that the wavelength of
a sound wave in a certain material is 18.0 cm. The
frequency of the wave is 1900 Hz. What is the speed of
the sound wave?
Answers: 2
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2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.
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Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2
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Measurements show that the wavelength of
a sound wave in a certain material is 18.0 cm. The
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