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Question: Answered & Verified by Expert
A particle at end of a spring executes simple harmonic motion with a period t1, while the corresponding period of another spring is t2. If two springs are connected in series then time period is T, then which one is true?
PhysicsOscillationsNEET
Options:
  • A T=t1+t2
  • B T2=t12+t22
  • C T-1=t1-1+t2-1
  • D T-2=t1-2+t2-2
Solution:
1549 Upvotes Verified Answer
The correct answer is: T2=t12+t22

When springs are connected in series,

1keq=1k1+1k2

t1=2πmk1 and t2=2πmk2

T=2πmkeq

T2=2π2m1keq

T2=2π2m1k1+1k2

T2=t12+t22

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