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Question: Answered & Verified by Expert
A particle is executing SHM along a straight line. Its velocities at distances \( \mathrm{x}_{1} \) and \( \mathrm{x}_{2} \) from the mean position are \( \mathrm{V}_{1} \) and \( \mathrm{V}_{2} \)
respectively. Its time period is:
PhysicsOscillationsJEE Main
Options:
  • A \( 2 \pi \sqrt{\frac{x_{1}^{2}+x_{2}^{2}}{V_{1}^{2}+V_{2}^{2}}} \)
  • B \( 2 \pi \sqrt{\frac{x_{2}^{2}-x_{1}^{2}}{v_{1}^{2}-v_{2}^{2}}} \)
  • C \( 2 \pi \sqrt{\frac{\mathrm{v}_{1}^{2}+\mathrm{V}_{2}^{2}}{\mathrm{x}_{1}^{2}+\mathrm{x}_{2}^{2}}} \)
  • D \( 2 \pi \sqrt{\frac{\mathrm{v}_{1}^{2}-\mathrm{V}_{2}^{2}}{\mathrm{x}_{1}^{2}-\mathrm{x}_{2}^{2}}} \)
Solution:
2473 Upvotes Verified Answer
The correct answer is: \( 2 \pi \sqrt{\frac{x_{2}^{2}-x_{1}^{2}}{v_{1}^{2}-v_{2}^{2}}} \)
For particle undergoing SHM,
V=ωA2-x2V2=ω2 A2-x2
V1=ωA2-x12V12=ω2A2-x12 ...(i)
V2=ωA2-x22 V22=ω2A2-x22 ...(ii)
V12-V22=ω2x22-x12
ω=V12-V22x22-x12
T=2πx22-x12V12-V22

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