Mathematics · Work, Energy, and Rotational Dynamics
A simple pendulum of length 2 m is given a horizontal push until it reaches a maximum angular displacement of 60°. If the mass of the bob is 200 g, what will be the angular velocity of the bob when it passes through its lowest position? (Take acceleration due to gravity g = 10 m/s2)
- 13√2.5 rad/s
- 22√2.5 rad/s✓
- 33√2 rad/s
- 42√2 rad/s
Correct answer
2√2.5 rad/s
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