9. A block of ice, in shape of a right circular cone, is melting in such a way that both height h and its radius r are decreasing at the rate of 1 cm/hr. How fast is the volume decreasing when r = h = 10 cm? (The volume V of a right circular cone with radius r and height h is V = = πr²h.) 1

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Q: The volume V of a right circular cylinder of height 7 m and radius r m is V = V(r) = 7ar. Find the…

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Q: A potter forms a piece of clay into a right circular cylinder. As she rolls it, the height h of the…

A: Here, given that the volume is constant. So, dVdt=0⇒ddtπr2h=0⇒πh 2rdrdt+r2dhdt=0⇒h 2rdrdt+r2dhdt=0…