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Work and Energy...

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  • Question 1
    1 / -0

    Work done by centripetal force is

  • Question 2
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    For what value of θ is work done maximum?

  • Question 3
    1 / -0

    1k w h =?

  • Question 4
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    1 W. S = ________?

  • Question 5
    1 / -0

    A certain household has consumed 250 units of energy during a month. How much energy is this in joules?

  • Question 6
    1 / -0

    1 meV (mega electron volt) is equal to

  • Question 7
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    9800 joule of energy was spent to raise a mass of 50kg, the mass was raised to a height of  (take g = 9.8 m/s2)

  • Question 8
    1 / -0

    A machine does 2000 joule of work in 400 seconds. What is the power of machine?

  • Question 9
    1 / -0

    Calculate the time taken by a 150 w bulb of consuming 3000 joule of energy.

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