A-LevelMathematicsDifferential equationsOct/Nov 2024Paper 3 Q108 Marks
A water tank is in the shape of a cuboid with base area 40000 cm². At time t minutes the depth of water in the tank is h cm. Water is pumped into the tank at a rate of 50000 cm³ per minute. Water is leaking out of the tank through a hole in the bottom at a rate of 600h cm³ per minute.
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