2. A man 1.8 meter tall walks away from a lamp post 4 meter high at a speed of 1.5 m/s. How fast is this shadow lengthen
2. A man 1.8 meter tall walks away from a lamp post 4 meter high at a speed of 1.5 m/s. How fast is this shadow lengthen
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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1. How fast is the surface area of a curve changing when the edge is 30cm. If the edge is changing at rate of 3mm per seconds?
2. A man 1.8 meter tall walks away from a lamp post 4 meter high at a speed of 1.5 m/s. How fast is this shadow lengthen
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