Solved: A rain drop hitting a lake makes a circular ripple. If the radius, in inches
Chapter 3, Problem 93(choose chapter or problem)
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) = 25 t + 2 , find the area of the ripple as a function of time. Find the area of the ripple at t = 2.
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