A raindrop is a perfect sphere with radius r cm and surface area S cm2. Condensation
Chapter 0, Problem 90(choose chapter or problem)
A raindrop is a perfect sphere with radius r cm and surface area S cm2. Condensation accumulates on the raindrop at a rate equal to kS, where k = 2 cm/sec. Show that the radius of the raindrop increases at a constant rate and find that rate
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