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NEET Physics · Medium

Work, Energy & Power: Conservation of Energy MCQ

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Conservation of EnergyMediumQuestion 6047

Question

5 kg body slides frictionless incline (h = 4 m, g = 10 m/s²). Speed at bottom:
  1. A
    √80 m/s
    Correct
  2. B
    √40 m/s
  3. C
    √20 m/s
  4. D
    4√5 m/s

Correct answer

√80 m/s

Explanation

v = √(2gh) = √80 m/s ≈ 8.94 m/s.

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