Related Rates - The Shadow Problem

This calculus video tutorial explains how to solve the shadow problem in related rates. A 6ft man walks away from a streetlight that is 21 feet above the ground at a rate of 3ft/s. At what rate is the length of the shadow changing?

Related Rates - Free Formula Sheet:
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Calculus 1 Final Exam Review:
   • Calculus 1 Final Exam Review  

Final Exam and Test Prep Videos:
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Introduction to Limits:
   • Calculus 1 - Introduction to Limits  

Derivatives - Fast Review:
   • Calculus 1 - Derivatives  

Introduction to Related Rates:
   • Introduction to Related Rates  

Derivative Notations:
   • dy/dx, d/dx, and dy/dt - Derivative Notati...  

Related Rates - The Cube:
   • Related Rate Problems - The Cube - Volume,...  

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Inflated Balloon & Melting Snowball:
   • Related Rates - Inflated Balloon & Melting...  

Gravel Dumped into Conical Tank:
   • Related Rates - Gravel Dumped Into Conical...  

Related Rates - Area of a Triangle:
   • Related Rates - Area of a Triangle  

Related Rates - The Ladder Problem:
   • Related Rates - The Ladder Problem  

Related Rates - The Distance Problem:
   • Related Rates - Distance Problems - Applic...  

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Related Rates - Airplane Problems:
   • Related Rates - Airplane Problems  

Related Rates - The Shadow Problem:
   • Related Rates - The Shadow Problem  

Related Rates - The Baseball Diamond Problem:
   • Related Rates - The Baseball Diamond Problem  

Related Rates - The Angle of Elevation Problem:
   • Related Rates - Angle of Elevation Problem  

Related Rates - More Practice Problems:
   • Related Rates - Conical Tank, Ladder Angle...  

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