Saturday

July 26, 2014

July 26, 2014

Posted by **Adeola** on Friday, June 18, 2010 at 5:43pm.

- Calculus -
**Damon**, Friday, June 18, 2010 at 7:41pmhalf a liter

liter is 10*10*10 = 1,000 cm^3

a = 2(pi r^2) + 2 pi r h

v = pi r^2 h =500

so

h = 500/(pi r^2)

a = 2 pi r^2 + 1000/r

da/dr = 0 = 4 pi r - 1000/r^2

pi r = 500/r^2

pi r^3 = 500

r^3 = 500/pi

r = 5.4 cm

h = 5.4 cm

**Related Questions**

calculus - A cylindrical metal can with an open top is to be constructed. the ...

Calculus - A metal cylindrical container with an open top is to hold 1 cubic ...

calculus - A large soup can is to be designed so that the can will hold 54pi ...

calculus - A box is constructed out of two different types of metal. The metal ...

calculus - A box is contructed out of two different types of metal. The metal ...

Calculus - A box is constructed out of two different types of metal. The metal ...

calculus - A box is constructed out of two different types of metal. The metal ...

calculus - Find the dimensions of a right circular cone, that holds one liter ...

Geometry - A cylindrical container of paint with a radius of 6 inches is 15 ...

maths - A cylindrical vessel without a lid is made from a sheet of metal . Find ...