3) Simplify (vf – v.)(vf + v.) = ()(at) so you can solve for vs. (Note: you should not need the quadratic formula for this question)

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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3) Simplify (v; – v)(vf + v:) = ()(at) so you can solve for vs. (Note: you should not need the
quadratic formula for this question)
4) A ladder that is 4 m long is leaning in the corner as shown. If the ladder
makes a 60° angle with the ground, use trigonometry to find the height of the
top of the ladder.
5) Use trigonometry to find the distance between the bottom of the ladder and the corner.
6) Show that your answers to 4 and 5 obey the Pythagorean theorem.
Transcribed Image Text:3) Simplify (v; – v)(vf + v:) = ()(at) so you can solve for vs. (Note: you should not need the quadratic formula for this question) 4) A ladder that is 4 m long is leaning in the corner as shown. If the ladder makes a 60° angle with the ground, use trigonometry to find the height of the top of the ladder. 5) Use trigonometry to find the distance between the bottom of the ladder and the corner. 6) Show that your answers to 4 and 5 obey the Pythagorean theorem.
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