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How do you calculate Volume of circular shaft?
(Pi x R x R) x H... Where R is the radius of the shaft and H is the height.
What is the ratio of the radii of a cone and a cylinder if they have the same volume and height?
Let the cylinder have radius R and height h Let the cone have radius r and same height h Then: Volume cylinder = πr²h Volume cone = ⅓πR²h If the volume are equal: ⅓πR²h = πr²h → ⅓R² = r² → R² = 3r² → R = √3 r → ratio radii cone : cylinder = 1 : √3
U value of r-19 insulation?
The U value is the inverse of the R value. For R value 19 insulation the U value is 1/19, or 0.0526.
The radius of a cylinder is four times the height write an equation for the volume of the cylinder as a function of its height?
Volume of a cylinder = PI r^2 h, where r is the radius and h is the height r = 4h (given) Substitute r=4h in the formula Volume = PI (4h)^2 h V = 16 PI h^3
How does the volume of a circular cylinder change if its radius is doubled and its height remains the same?
The formula for the volume of a cylinder is pi*r*r*h. So, substitute 2r for r (double radius) and leave h as it is: pi*(2r)*(2r)*h = 4pi*r*h. Therefore the new volume is four times that of the original volume.
