The displacement y ( t ) = A sin ( ω t + ϕ ) of a pendulum for ϕ = 3 2 π is correctly represented by

Displacement y ( t ) = A sin ( w t + ϕ ) [Given] For ϕ = 3 2 π at t = 0 ; y = A sin ϕ = A sin 3 2 π = A sin 12 0 ∘ = 0.87 A [ ∵ sin 12 0 ∘ ≃ 0.866 ] Graph (a) depicts y = 0.87 A at t = 0

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PhysicsSHMMiscellaneousMedium2 minPYQ_2012

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The displacement $y (t) = A sin (ω t + ϕ)$ of a pendulum for $ϕ = \frac{2 π}{3}$ is correctly represented by

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Displacement $y (t) = A sin (w t + ϕ)$ [Given] For $ϕ = \frac{2 π}{3}$ at $t = 0; y = A sin ϕ = A sin \frac{2 π}{3}$ $= A sin 12 0^{\circ} = 0.87 A [∵ sin 12 0^{\circ} ≃ 0.866]$ Graph (a) depicts $y = 0.87 A$ at $t = 0$

Stream:JEESubject:PhysicsTopic:SHMSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2012

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