a man 6ft tall walks at the rate of 5ft/sec toward a streetlight that is 16ft above the ground
Homework Answers
y/6 = (x+y)/16
y = 3x/5
dy/dt = 3/5 dx/dt = 3/5 (-5) = -3
so, the shadow is shrinking at 3 ft/sec regardless of the distance from the pole.
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a man 6ft tall walks at the rate of 5ft/sec toward a streetlight that is 16ft above the ground
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