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Application of the derivatives

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avenrose
 
Reply Wed 14 Jul, 2010 06:44 am
Water flows into a vertical cylindrical tank at 12cu. ft. per min.; the surface rises 6 in. per min. Find the radius of the tank.
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Type: Question • Score: 0 • Views: 540 • Replies: 1
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fresco
 
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Reply Wed 14 Jul, 2010 07:37 am
@avenrose,
V= A.h = Pi(R)sqd. h
R=sqrt(V/Pi. h) = sqrt(120/0.5 Pi) =sqrt (240/Pi)

I'll let you finish it off !
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