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A particle moves according to the equati...

A particle moves according to the equation f + 4x = 0, where x is its instaneous displacement and f its instaneous acceleration. The maximum value of x is `20 xx 10^(-2)` m. How much time will the particle take to move from x = 0.02 m to x = 0.08 m?

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The correct Answer is:
0.157s
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