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How many wavelenghts of a wave pass a point if the frequency of the wave is 4 hertz?
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How much force was applied to an object if was moved 2 meters and the work done on the object was 8 joules? a. 0.25 n b. 4 n c. 6 n d. 16 n
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The material that keeps its new shape after it is stretched is called?
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6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.
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How many wavelenghts of a wave pass a point if the frequency of the wave is 4 hertz?...
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