Physics, 05.12.2020 23:30 joThompson
At what temperature, in degrees Celsius, is the speed of sound in air 339 m/s?
Answers: 2
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Under normal temperature and pressure conditions, what type of rock could be formed from weathering in erosion of metamorphic rock
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Physics, 21.06.2019 21:30
In what direction does the medium move relative to the direction of the wave? explain.
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Physics, 22.06.2019 08:40
The system is released from rest with the cable taut, and the homogeneous cylinder does not slip on the rough incline. determine the angular acceleration of the cylinder and the minimum coeffi cient s of friction for which the cylinder will not slip.
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Physics, 22.06.2019 10:30
Air is to be preheated by hot exhaust gases in a cross-flow heat exchanger before it enters the furnace. air enters the heat exchanger at 95 kpa and 20°c at a rate of 0.6 m^3/s. the combustion gases (cp = 1.10 kj/kg°c) enter at 160°c at a rate of 0.95 kg/s and leave at 95°c. determine the rate of heat transfer to the air and its outlet temperature.
Answers: 2
At what temperature, in degrees Celsius, is the speed of sound in air 339 m/s?...
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