The phase speed vp for deep ocean waves is given by vp = g/ω where ω = 2π/t and t is the period of the wave; g is the acceleration due to gravity. what is the group speed vg?

The group speed is .

Explanation:

Given that,

Phase speed

Where, T = period of the wave

g =acceleration due to gravity

We need to calculate the group speed

Using formula of phase speed

Put the value of

....(I)

We need to calculate the group speed

Using formula of group speed

On differentiating

Put the value of k from equation (I)

Hence, The group speed is .

i dont know but

explanation:

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