Q.
The equation of a transverse wave travelling on a rope is given by y = 10 sin π(0.01x - 2.00t) where y and x are in centimetres and t in seconds. The maximum transverse speed of a particle in the rope is about
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a
63 cm/s
b
75 cm/s
c
10 cm/s
d
121 cm/s
answer is A.
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Detailed Solution
Standard equation of travelling wave y = A sin(kix - ωt) By comparing with the given equation y = 10 sin(0.01 πx - 2πt) A = 10 cm, ω = 2π Maximum particle velocity = Aω = 2π × 10 = 63 cm/s
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