Posted by A on Sunday, November 13, 2011 at 7:37pm.
You are eating soup from a hemispherical bowl of radius 6cm at a constant rate of 40ml/min. Find the rate at which the soup level is going down in depth of the soup is 2cm.

Related ratescalculus  Damon, Sunday, November 13, 2011 at 7:45pm
The surface area of the soup times its speed down = 40 ml/min
By the way on ml is 1 cubic centimeter so no conversion is required
Just find surface area from pi r^2
where r is the radius of the surface when 2 cm depth is reached. 
Related ratescalculus  dfsgsdf, Tuesday, November 13, 2012 at 2:05pm
3.1831