Asked by Josh
is my answer to this question correct
A spherical balloon is losing air at the rate of 2 cubic inches per minute. How fast is the radius of the ballon shrinking when the radius is 8 inches.
Answer= .0024
A spherical balloon is losing air at the rate of 2 cubic inches per minute. How fast is the radius of the ballon shrinking when the radius is 8 inches.
Answer= .0024
Answers
Answered by
bobpursley
V=4/3 PI r^3
dV/dt=4/3 PI * 3r^2 dr/dt
solve for dr/dt
dr/dt=dV/dt / 4PIr^2
Wondering why you did not round it up to .0025
dV/dt=4/3 PI * 3r^2 dr/dt
solve for dr/dt
dr/dt=dV/dt / 4PIr^2
Wondering why you did not round it up to .0025
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