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A small piece of cork in a ripple tank o...

A small piece of cork in a ripple tank oscillates us and down as ripples pass it. If the ripples travelling at 0.3 m/s, have a wavelength of `1.5 pi` cm and the cork vibrates with an amplitude of 5mm, then the maximum velocity of the cork will be

A

20 cm/sec

B

20 m/sec

C

0.02 m/sec

D

200 cm/sec

Text Solution

Verified by Experts

The correct Answer is:
A
Maximum velocity of the cork
`omega A = 2mA = 2pi ((v )/(lamda))A`
`=2pi xx(0.3xx100)/(1.5 pi )xx0.5 = 20 cm// sec`
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