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Time Period of Pendulum

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Question

Calculate the velocity of the bob of a simple pendulum at its mean position if it is able to rise to a vertically height of 10 cm. Given $g = 980 c m s^{- 2}$

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Solution

we have formula,

$v = \sqrt{2 g h} = \sqrt{2 \times 980 \times 10}$

$= 140 c m / s^{2}$

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