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…

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 :
  1. 0.0628 s
  2. 6.28 s
  3. 0.628 s
  4. 3.14 s

Solution

Spring force, F=kx

Spring constant, k=Fx=100.05=200 Nm

Time period, T=2πmk

T=2π2200=0.2π=0.628 s

.

Asked in: NEET 2021

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