Solve this: 31 A sample pendulum executing SHM has a period T and amplitude A Its peed, - Physics - Electromagnetic Waves

Question

Solve this:

31 A sample pendulum executing SHM has a period T and amplitude A
Its peed, when at a distance A/4 is

a   πA 15 2 T b   πA 15 T c   πA 2 T d
  πA T

Shobhit Mittal · Accepted Answer

Dear Student,speed at a distance A/4 from the center maximum speed at the center is Aωω=2πTvmax=2πATx=Asinωtx=A4 the time is A4=Asinωtsinωt=14cosπ2-ωt=14t=1ωπ2-cos-14speed at t=1ωπ2-cos-14v=Aωcosωtv=Aωcosω1ωπ2-cos-14=Aωcosπ2-cos-14v=Aωsincos-14cosθ=14,sinθ=154v=A2πT*154=AπT*152option aregards

Solve this: 31. A sample pendulum executing SHM has a period T and amplitude A. Its peed, when at a distance A/4 is a πA 15 2 T b πA 15 T c πA 2 T d πA T

Solve this:

31. A sample pendulum executing SHM has a period T and amplitude A. Its peed, when at a distance A/4 is

$(a) \frac{πA \sqrt{15}}{2 T} (b) \frac{πA \sqrt{15}}{T} (c) \frac{πA}{2 T} (d) \frac{πA}{T}$