Connected rates of change
Connected rates of change
6 marks
TGM Original
A conical pile keeps height h=2r while growing. Given V= 13pi r2h and dVdt=18pi cm3/s, find the height growth rate when r=3 cm.
Solution:
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Answer:\(\dfrac{\mathrm{d}h}{\mathrm{d}t}=2\ \mathrm{cm/s}\).
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