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6 June, 21:01

A spring with a constant of 16 N/m has 98 J of energy stored in it when it is extended. How far is the spring extended?

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  1. 6 June, 22:21
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    The spring has been extended for 3.5 m

    Explanation:

    We have the formula,

    PE = 1/2 K X²

    Rewrite the equation as

    PE=1/2 K d²

    multiply both the sides by 2/K to simplify the equation

    2/k. PE = 1/2 K d². 2/K

    √d²=√2PE/K

    Cancelling the root value and now we have,

    d=√2PE/k

    d=√2*98 J / 16N/m

    d=√12.25

    d=3.5 m

    The spring has been extended for 3.5 m
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