Calculus Related Rates Shadow Lightpost Problem Intuitive Math Help

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Uploaded by on Sep 15, 2011

Calculus Related Rates Shadow Lightpost Problem Intuitive Math Help Implicit Differentiation

A man 6 ft tall is walking away from a streetlight 20ft high at a rate of 5ft/sec.
At what rate is the tip of his shadow moving when he is 24 feet from the lightpost
and at what rate is the length of his shadow increasing?

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  • This is amazing. just might pass my exam now. So clear.

  • Thank you soooooooo much i have a test tmr and i did not understand related rates until i saw this vid :D

  • THANK YOU SO MUCH! i really do appreciate it! i used to be able to understand math with the examples from the book but this time I couldnt and I thought.. WEll i have the internet !! so thank u

  • thank you this video really helped me a lot

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