4. A solid consists of a right-circular cylinder and a hemisphere on each end. The length of the cylinder is twice its radius. Find the rate of change of the volume wrt the radius when r = 2 in.

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter47: Applications Of Formulas To Cutting Speed, Revolutions Per Minute, And Cutting Time
Section: Chapter Questions
Problem 42A: Compute the following problems. Express the answers to 1 decimal place. Use: T=LFN Fifteen...
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differentiation: Rate of Change

4. A solid consists of a right-circular cylinder and a hemisphere on each end. The length of
the cylinder is twice its radius. Find the rate of change of the volume wrt the radius
when r = 2 in.
5. The longer base of an isosceles trapezoid is one more than 1/3 of the shorter base. If the
altitude of the trapezoid is always equal to the longer base, find the rate of change of
the area of the trapezoid wrt its longer base when the longer base is six units.
Transcribed Image Text:4. A solid consists of a right-circular cylinder and a hemisphere on each end. The length of the cylinder is twice its radius. Find the rate of change of the volume wrt the radius when r = 2 in. 5. The longer base of an isosceles trapezoid is one more than 1/3 of the shorter base. If the altitude of the trapezoid is always equal to the longer base, find the rate of change of the area of the trapezoid wrt its longer base when the longer base is six units.
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