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please show work. [6 marks] Gravel is being dumped from a conveyor belt at a rate of 15 m3/min and it forms a pile in

please show work.

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[6 marks] Gravel is being dumped from a conveyor belt at a rate of 15 m3/min and it forms a pile in the shape of a cone. The radius of the base of the cone is always half of its height. How fast is the height of the pile increasing when the pile has a 2 m radius? Hint: the volume of a cone is given by V = 1Thr

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