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Work Energy and...

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  • Question 1
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    in an elastic collision

  • Question 2
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    in an inelastic collision

  • Question 3
    1 / -0

    In a completely inelastic collision

  • Question 4
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    A dog weighing 25 kg, while chasing a cat, jumps over a fence of height 1.6 m. What is the potential energy of dog at the top of fence?
    (Take gravity due to earth 'g'=10 m s-2)

  • Question 5
    1 / -0

    The casing of a rocket in flight burns up due to friction. At whose expense is the heat energy required for burning obtained?

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