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A 10-kg ball is dropped from a height of...

A 10-kg ball is dropped from a height of 10 m. Find the initial potential of the ball.

Text Solution

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At the height of 10 m, the potential energy is
mgh=`(10 kg) xx (9.8 m//s^2) xx (10 m)= 980` J.
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Knowledge Check

  • A ball is dropped from a height of 10 m, as it falls,

    A
    its velocity increases and acceleration decreases.
    B
    its velocity decreases and acceleration increases.
    C
    its velocity increases and acceleration remains constant.
    D
    its velocity and acceleration remains constant.

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    4 m
    B
    8 m
    C
    6 m
    D
    5 m

  • A ball is dropped from a height of 100 m. At the surface of the earth, 20% of its energy is lost. To what height the ball will rise?

    A
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    B
    20m
    C
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    D
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