The piston in the cylinder head of a locomotive has a stroke of 6m. If the piston executing simple harmonic motion with an angular frequency of 200radmin−1, its maximum speed is
A
5ms−1
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B
10ms−1
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C
15ms−1
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D
20ms−1
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Solution
The correct option is B10ms−1 Here, ω=200radmin−1 Stroke means twice the amplitude. ∴A=3m, Maximum speed, vmax=Aω=3×200=600mradmin−1=60060ms−1=10ms−1.