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Question 6095
NEET Physics · Hard

Work, Energy & Power: Work-Energy-Power Mixed MCQ

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Work-Energy-Power MixedHardQuestion 6095

Question

2 kg block compresses spring (k=2000 N/m) by 0.1 m. Max speed on frictionless floor:
  1. A
    √5 m/s
  2. B
    √10 m/s
    Correct
  3. C
    √20 m/s
  4. D
    10 m/s

Correct answer

√10 m/s

Explanation

½kx² = ½mv². v² = kx²/m = 2000×0.01/2 = 10. v = √10 m/s.

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