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Question: Answered & Verified by Expert
A spring is stretched by 5 cm by a force 10 N. The time period of the oscillations when a mass of 2 kg is suspended by it is :
PhysicsOscillationsNEETNEET 2021
Options:
  • A 0.0628 s
  • B 6.28 s
  • C 0.628 s
  • D 3.14 s
Solution:
2108 Upvotes Verified Answer
The correct answer is: 0.628 s

Spring force, F=kx

Spring constant, k=Fx=100.05=200 Nm

Time period, T=2πmk

T=2π2200=0.2π=0.628 s

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