Asked by Web7
Suppose oil spills from a ruptured tanker and spreads in a circular pattern. If the radius of the oil spill increases at a constant rate of 2m/s, how fast is the area of the spill increasing when the radius is 15m?
Answers
Answered by
drwls
d/dt(pi*r^2) = 2*pi*r*dr/dt
Do the numbers.
Do the numbers.