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Question

The equation of a wave travelling on a string is y=4 sin(4πtπ16x) if x and y are in centimetres, then velocity of wave is


A

64 cm/s in –ve x-direction

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B

32 cm/s in –ve x-direction

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C

32 cm/s +ve x-direction

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D

64 cm/s in +ve x-direction

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