Answered: An airplane flies north relative to the…

College Physics

11th Edition

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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An airplane flies north relative to the ground in a 40 km / h wind to the east. If the speed of the airplane relative to the ground is 80 km / h, what is its speed relative to the air?

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$G i v e n : V_{p} = 80 k m / h r d u e n o r t h V_{w} = 40 k m / h r t o w a r d s e a s t F i n d t h e s p e e d r e l a t i v e t o t h e a i r . N o w, T h e s p e e d o f t h e a i r p l a n e r e l a t i v e t o a i r i s . V_{p w} = \sqrt{V_{p}^{2} + V_{w}^{2}} = \sqrt{80^{2} + 40^{2}} = 89.44 k m / h$

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