1.

The equation of a plane Progressive wave is Y = 1.5 sin (314t - 12.56 x) metres. Then amaximum particle velocity is :

Answer»

25 m/s
471 m/s
314 m/s
NONE of these

Solution :y = 1.5 sin (314 t - 12.56 x).
here r = 1.5 m,w= 314and K = 12.56 . `m^(-1)`
max PARTICLE VELOCITY `V_(max) = rw = 1.5 xx 314 = 471 ` m/s
hence the CORRECT CHOICE is (b) .


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