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Posted by 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 rates-calculus - , 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 rates-calculus - , Tuesday, November 13, 2012 at 2:05pm

    3.1831

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