Posted by Fall on Wednesday, January 30, 2013 at 4:37pm.
a = 6s^2
da/dt = 12s ds/dt
da/dt = 12*5*2 = 120 in^2/min
V = s^3
dV/dt = 3v^2 ds/dt
when s = 5, dV/dt = 2
2 = 3(25) ds/dt
ds/dt = 2/75
A = 6s^2
dA/dt = 12s ds/st
= 12(5) (2/75) = 8/5 inches^2 / min
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