8 дек. 2015 г. · The rate at which Volume changes with respect to radius is the Area. So we can calculate volume change rate using: ˙V=˙r4πr2. Share.

17 сент. 2016 г. · The problem states: "Find the instantaneous rate of change of the volume V=13πr2H of a cone with respect to the radius r at r=a if the height H ...

7 нояб. 2013 г. · Remember that if the radius grows by a factor of x then the volume grows by X^3. So if the volume grew 4 times then the radius grew by... – ...

28 авг. 2016 г. · The rate, in feet per minute, at which the radius is increasing when the radius is 2 feet is (V=43πr3): ? I know rate of change has to do with ...

7 апр. 2015 г. · At all times, V=43πr3. So dVdt=4πr2drdt. At the moment of interest, you have a value for the radius and a value for dVdt (be careful here--the ...

11 нояб. 2012 г. · To find the rate of change as the height changes, solve the equation for volume of a cone (πr2h3) for h, and find the derivative, using the ...

16 мая 2019 г. · (4) The volume of a cylinder of radius r and height h is given by the formula V=πr²h. Find the rate of variation of volume with the radius when ...

12 окт. 2016 г. · Hint: Find h from the equation of the surface: h=S2πr−r. and substitute in the volume: V=πr2(S2πr−r). This is the equation that gives the ...

8 февр. 2018 г. · Yes, not a great related rates problem. Or solve for r as a function of h and then differentiate with respect to t with the chain rule.

26 мая 2016 г. · The radius of a right circular cone is increasing at a rate of 5 inches per second and its height is decreasing at a rate of 4 inches per second.