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Lightning flashes and you hear a thunder clap for seconds later. the velocity of sound is 340 m/s. how far away did lightning strike ?
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6โ48 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/kgยท8c.
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Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)
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How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9
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Physics, 22.06.2019 16:00
At what time will the interfering waves have an amplitudeof zero?
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Lightning flashes and you hear a thunder clap for seconds later. the velocity of sound is 340 m/s. h...
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