A submarine cruising well below the surface of the sea levels a wake in the form

A submarine cruising well below the surface of the sea levels a wake in the formof a cylinder which is symmetrical about the longitudinal axis of the submarine.The wake velocity on the longitudinal axis is equal to the speed of the submarinethrough the water, which is 5 m s -1 , and decreases in direct proportion to theradius to zero at a radius of 6 m. Calculate the force acting on the submarine andthe minimum power required to keep the submarine moving at this speed.Density of water=1025kg m -3 ?

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