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Bob
Posts:
27
Registered:
1/29/05


Re: Work Problem
Posted:
Mar 23, 2005 9:50 PM


On Wed, 23 Mar 2005 19:36:06 EST, Dustyn <dho72215@msn.com> wrote:
>Question: >A bucket of water of mass 20 kg is pulled at a constant velocity up to a platform 40 meters above the ground. This takes ten minutes during which 5 kg of water leaks out at a steady rate through a hole at the bottom of the bucket.
What is the mass at any time t? It starts at 20 kg. The previous sentence says that the mass loss is 0.5 kg per minute. So the mass(t) is
m(t) = 20  0.5t
t in minutes.
bob



