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Question 6032
NEET Physics · Hard

Work, Energy & Power: Conservation of Energy MCQ

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Conservation of EnergyHardQuestion 6032

Question

Pendulum (L = 1 m) released from 60°. Speed at lowest point (g = 10 m/s²):
  1. A
    √10 m/s
    Correct
  2. B
    √20 m/s
  3. C
    √5 m/s
  4. D
    10 m/s

Correct answer

√10 m/s

Explanation

h = L(1−cos60°) = 0.5 m. v = √(2×10×0.5) = √10 m/s.

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