A-Level
AQA
Mathematics (UK)
May 2019
QP-201905-Mathematics-U3-Local · Question 10
Question (excerpt):
10 The volume of a spherical bubble is increasing at a constant rate. Show that the rate of increase of the radius, r, of the bubble is inversely proportional to r2 Volume of a sphere ¼ 4 3pr3 [4 mark…
10 The volume of a spherical bubble is increasing at a constant rate. Show that the rate of increase of the radius, r, of the bubble is inversely proportional to r2 Volume of a sphere ¼ 4 3pr3 [4 mark…
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