chemic_23 Messages 44 Reaction score 0 Thread starter Feb 26, 2009 #1 I'm stuck please help me... thanks
Dick Science Advisor Homework Helper Messages 26,254 Reaction score 623 Feb 26, 2009 #2 Didn't they also give you the water level in the tank? I think you need that as well.
Dick Science Advisor Homework Helper Messages 26,254 Reaction score 623 Feb 26, 2009 #4 It isn't labelled in a diagram or anything? Their mistake, I think. Then suppose the water level of the tank is L above the vertex (you can plug in the number for L later). Can you express the rate in terms of L?
It isn't labelled in a diagram or anything? Their mistake, I think. Then suppose the water level of the tank is L above the vertex (you can plug in the number for L later). Can you express the rate in terms of L?
chemic_23 Messages 44 Reaction score 0 Feb 26, 2009 #5 v=1/3 pi r^2h substitute r= 3h/2 V= (3pi h^3)/4 d/dt ( V = (3pi h^3) / 4 ) R= (27pi/8)h^2 + 0.5 is this right?
v=1/3 pi r^2h substitute r= 3h/2 V= (3pi h^3)/4 d/dt ( V = (3pi h^3) / 4 ) R= (27pi/8)h^2 + 0.5 is this right?
Dick Science Advisor Homework Helper Messages 26,254 Reaction score 623 Feb 26, 2009 #6 Looks fine to me.