A simple pendulum of length is released from rest after being displaced so that the…

PHYSICS · Subjective · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

A simple pendulum of length

2.0\,\text{m}

is released from rest after being displaced so that the string makes an angle of

30^{\circ}

with the vertical. Calculate the speed of the bob as it passes through the lowest point of its swing. (Take

g = 9.8\,\text{m s}^{-2}