The equation of a transverse wave travelling on a rope is given by y=10sinπ(0.01x−2πt) where y and x are in cm and t in seconds. The maximum transverse speed of a particle in the rope is about.
A
63cm/s
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B
75cm/s
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C
100cm/s
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D
121cm/s
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Solution
The correct option is B63cm/s The given equation is y=10sin(0.01πx−2πt) Hence, ω=coefficient of t=2π ⇒ Maximum speed of the particle, vmax=aω =10×2π =10×2×3.14 =62.8≈63cm/s