Mathematics (AS & A Level) · Oct / Nov 2024 · Paper 31 · Question 10
9709
As printed in the paper
The question as text
h m 4 m A large cylindrical tank is used to store water. The base of the tank is a circle of radius 4 metres. At time t minutes, the depth of the water in the tank is h metres. There is a tap at the bottom of the tank. When the tap is open, water flows out of the tank at a rate proportional to the square root of the volume of water in the tank.
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10(a)[4]
10(b)[6]
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