New Calculus Video Playlist - 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: https://www.video-tutor.net/calculus-formula-sheets.html Calculus 1 Final Exam Review: https://www.youtube.com/watch?v=WmBzmHru78w Final Exam and Test Prep Videos: https://bit.ly/41WNmI9 ______________________________ Introduction to Limits: https://www.youtube.com/watch?v=YNstP0ESndU Derivatives - Fast Review: https://www.youtube.com/watch?v=5yfh5cf4-0w Introduction to Related Rates: https://www.youtube.com/watch?v=I9mVUo-bhM8 Derivative Notations: https://www.youtube.com/watch?v=7BK_mmYckmI Related Rates - The Cube: https://www.youtube.com/watch?v=r5PTN2TgGwc __________________________________ Inflated Balloon & Melting Snowball: https://www.youtube.com/watch?v=8dm0UtPyYj8 Gravel Dumped into Conical Tank: https://www.youtube.com/watch?v=xvbrEfVLQ4k Related Rates - Area of a Triangle: https://www.youtube.com/watch?v=RGRhinA7YDI Related Rates - The Ladder Problem: https://www.youtube.com/watch?v=W3qoQIlfG0E Related Rates - The Distance Problem: https://www.youtube.com/watch?v=_sbq6yZ9Kt8 ____________________________________ Related Rates - Airplane Problems: https://www.youtube.com/watch?v=jUn8MpV80po Related Rates - The Shadow Problem: https://www.youtube.com/watch?v=-En2IABPR0I Related Rates - The Baseball Diamond Problem: https://www.youtube.com/watch?v=zytwFSyH0_0 Related Rates - The Angle of Elevation Problem: https://www.youtube.com/watch?v=dUBeikdfK10 Related Rates - More Practice Problems: https://www.youtube.com/watch?v=ps-r4nti5Go _________________________________ Final Exams and Video Playlists: https://www.video-tutor.net/ Full-Length Videos and Worksheets: https://www.patreon.com/MathScienceTutor/collections