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30-11-2022
Physics

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A rain drop hitting a lake makes a circular ripple. If the radius, in inches, grows as a function of time in minutes according to r(t)=25t+2âˆ’âˆ’âˆ’âˆ’âˆš, find the area of the ripple as a function of time. Find the area of the ripple at t=2.

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