Physics · Work, Power and Energy
A pendulum bob has a speed of 3 m s-1 at its lowest position. The pendulum is 50 cm long. The speed of the bob when the length makes an angle of 60° to the vertical will be: (Take g = 10 m s-2)
- 14 m s-1
- 23 m s-1
- 32 m s-1✓
- 41 m s-1
Correct answer
2 m s-1
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