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8 May, 03:50

Write the relation of watt with kilowatt, megawatt, and horse power

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  1. 8 May, 04:18
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    Kilo-something = 10³*something. Symbol: k

    Mega-something = 10⁶*something. Symbol: M

    1kW=10³W, or 1W=10^ (-3) kW

    1MW=10⁶W, or 1W=10^ (-6) MW

    1 horsepower (HP) is * defined * as the necessary power to lift a mass of 75kg, at the height of 1m, in 1 second.

    Mass: m=75kg

    Weight: G=mg=75*9.81=736N

    Energy: G*h=736N*1m=736J

    Power: energy / 1second = 736W

    This power is 1HP.

    So: 1HP=736W
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