Physics, 22.12.2020 21:10 limelight11
6. Why does sound travel faster through a steel bar than through a swimming pool filled with water?
Water is a denser medium than steel.
Water has a larger wavelength than steel.
Steel has a larger wavelength than water.
Steel is a denser medium than water.
Answers: 2
Physics, 22.06.2019 13:30
6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.
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Physics, 23.06.2019 00:00
Boiling water is an example of physical change. true or false
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Why should the wavelength scale of spectroscope be calibrated
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Consider an air-filled charged capacitor. how can its capacitance be increased?
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