Which is true of a mechanical wave?
It can travel in a vacuum.
Both sound and light are...
Physics, 12.11.2020 20:40 caliharris123
Which is true of a mechanical wave?
It can travel in a vacuum.
Both sound and light are examples.
It must travel in empty space.
It must have a medium.
Answers: 3
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Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?
Answers: 1
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Which is special about a dc circuit ? a. it has both series and parallel components b. it has only series or only parallel components c. charge moves in a single direction d. charge moves back and forth quickly
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Acommercial refrigerator with refrigerant-134a as the working fluid is used to keep the refrigerated space at -35°c by rejecting waste heat to cooling water that enters the condenser at 18°c at a rate of 0.25 kg/s and leaves at 26°c. the refrigerant enters the condenser at 1.2 mpa and 50°c. if the compressor consumes 3.3 kw of power, determine (a) the mass flow rate of the refrigerant, (b) the refrigeration load, (c) the cop, and (d) the minimum power input to the compressor for the same refrigeration load.
Answers: 2
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