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230 joules were spent inlifting a 10kg w...

230 joules were spent inlifting a 10kg wieight to a height of 2m. Calculate the acceleration with which it was raised Take g=`10ms^(2)`.

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In lifting a 10 kg weight to a height of 2m, 230 Jenergy is spent. Calculate the acceleration with which it was raised?

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Knowledge Check

  • A crane lifts a mass of 100 kg to a height of 10m in 20s . The power of the crane is (Take g = 10 ms^(-2))

    A
    `100 W`
    B
    `200 W`
    C
    `250 W`
    D
    `500 W`

  • A crane lifts a mass of 100 kg to a height of 10 min. 20 sec. The power of the crane is (Take g =10 m//s^2)

    A
    100 watt
    B
    200 watt,
    C
    250 watt,
    D
    500 watt.

  • A crane lifts a mass of 100 kg to a height of 10 m in 20 s. The power of the crane is (Take g = 10 m s^(-2) )

    A
    100 W
    B
    200 W
    C
    250 W
    D
    500 W

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