# Average Power Output & Group Velocity

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(b) A tidal basin in Canada has an area of 240 km^2 with a mean tidal range of 12.4 m. Estimate the average power output assuming that the tidal period is 12.5 hours explaining your calculation.

(c) An ocean wave, with amplitude a = 1m and wavelength...(Please see the attached file for the complete question.)

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#### Solution Preview

(b) Area of the basin, A= 240km^2 == 2.4*10^8 m^2

mean tidal range, h = 12.4 m

avaerage tidal period, t = 12.5 hr == 12.5*3600 s

Density of water, d = 1*10^3 kg/m^3

g = 9.8 m/s^2

Potential energy due to, tidal:

U = m*g*h/2

= (d*A*h)*g*h/2

= ...

#### Solution Summary

In first problem, average power which can be produced by using tidal basin water. In second problem group velocity of a given wave is estimated.

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