Question 1125312
take first derivative of V and r with respect to time
:
dV/dt = 3 * (4/3) * pi * r^2 * dr/dt = 4 * pi * r^2 * dr/dt
:
dV/dt = 4 * pi * 4 * 1 = 16 * pi is approximately 50.27 mm^3 per minute
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