A particle executes linear simple harmonic motion with an amplitude of 2 cm. When the particle is at 1 cm from the mean position the magnitude of its velocity is equal to that of its acceleration. Then its time period in seconds is
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a
12π3
b
2π3
c
2π3
d
32π
answer is C.
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Detailed Solution
Velocity v=ωA2−x2 and acceleration =ω2xNow given, ω2x=ωA2−x2 ⇒ω2.1=ω22−12 ⇒ω=3 ∴T=2πω=2π3
A particle executes linear simple harmonic motion with an amplitude of 2 cm. When the particle is at 1 cm from the mean position the magnitude of its velocity is equal to that of its acceleration. Then its time period in seconds is