A plane progressive wave is give by x=(40 cm) cos (50pit-0.02piy) where y is in centimetres and t in seconds. What will be the particle velocity at y=25 cm "in time" t=1//200 s?
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Answer:
Explanation:
Given that x=40cos(50πt−0.02πy)
Therefore, particle velocity can be given as
vpπdxdtπ(40×50π){−sin(50πt−0.02πy)}
puttting x=25 and t=1200s,
vp−(2000πcm/s)sin[50π(1200)−0.02π(25)]
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