Posted by kela on Friday, November 9, 2012 at 6:02pm.
A street light is mounted at the top of a 15fttall pole. A man 6 ft tall walks away from the pole with a speed of 7 ft/s along a straight path. How fast is the tip of his shadow moving when he is 45 ft from the pole?
ft/s

calculus  collins, Thursday, March 6, 2014 at 10:28am
3.2ft/s
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