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Which physical quantity measures fraction of the input energy a machine actually concerts into output energy ? A) Kinetic Power B) Power C) Efficiency D) Acceleration​
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Which physical quantity measures fraction of the input energy a machine actually concerts into output energy ?

A) Kinetic Power
B) Power
C) Efficiency
D) Acceleration​

User JSQuareD
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The answer is Kinetic Power.
User DatForis
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