Wednesday

April 16, 2014

April 16, 2014

Posted by **ct** on Wednesday, December 21, 2011 at 6:23am.

- math -
**Damon**, Wednesday, December 21, 2011 at 7:33amQuickly because I have to go baby sit for grand kids:

find the radius of the cone when depth = 4 feet, call it r

then

the surface area times the change in height dh = small volume change dv

so

dv = pi r^2 dh

dv/dt = (pi r^2) dh/dt

so

dh/dt = dv/dt /(pi r^2)

and dv/dt = 3 ft^2/min

**Related Questions**

math - Hi! Can anyone give me some tips on how i would determine the shape of a ...

Math - 800cm3 of water is poured into an inverted right conical vessel and the ...

physics - liquid pressure is independent on the? a. shape of the containing ...

calculus - Water is pouring into a conical vessel 15cm deep and having a radius ...

Chemistry - A 225 g sample of xenon is placed in a 15.6 L stainless steel vessel...

Maths - A metal sphere whose diameter is 150cm is lowered into the vessel till ...

chemistry - a 506g piece of copper tubing is heated to 89.5C and placed in an ...

Chemistry - A 522g piece of copper tubing is heated to 89.5C and placed in an ...

chemistry - The vapor pressure of water at 80 degrees c is 355mmHg. A 100cm3 ...

Chemistry - A 1.00 L vessel contains 5 g N2 and 1.5 g H2O at 25 degrees C. ...