If a particle moves with simple harmonic motion of period 16 seconds and travels 10 cm from
If a particle moves with simple harmonic motion of period 16 seconds and travels 10 cm from
the position of rest in 4 seconds, then the amplitude is _______.
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Correct answer: (D) 10
Explanation
From the mean position, x = A sin(2πt/T). With T = 16 and t = 4, sin(π/2) = 1, so the particle is at an extreme and A = 10 cm.