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Friction and Vertical Circular Motion Problems

In an experim...

Question

In an experiment to find the loss of energy w.r.t. time in simple pendulum the correct graph between $(A m p l i t u d e)^{2}$ and time is :

A

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B

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C

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D

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Solution

The correct option is A

The square of amplitude exponentially decreases with time, so graph will vary as per the equation,

$A^{2} = A_{0}^{2} e^{- λ t}$

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