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A particle executing simple harmonic motion of amplitude 5cm has a maximum speed of 31.4 cm/s. The frequency of its oscillation is?

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A particle executing simple harmonic motion of amplitude 5cm has a maximum speed of 31.4 cm/s. The frequency of its oscillation is?

(a) 4Hz

(b) 3Hz

(c) 2Hz

(d) 1Hz

This question was addressed to me during an internship interview.

Origin of the question is Oscillations in chapter Oscillations of Engineering Physics I

1 Answer

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Correct answer is (d) 1Hz

For explanation I would say: vmax=2πvA

31.4=2×3.14v×5

v=1Hz.

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