First slide

Simple hormonic motion

Question

A simple pendulum has length 5 m and amplitude of oscillation is 10 cm. If $g = 10 m / s^{2},$ the maximum velocity of the bob is

Moderate

A

24.18 cm/s
B

18.21 cm/s
C

12.18 cm/s
D

14.14 cm/s

Solution

(4)
$V_{\max} = ω . A = \sqrt{\frac{g}{l}} . A = \sqrt{\frac{10}{5}} \times 10 c m / s = 14.14 c m / s .$

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