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Before a sky diver opens her parachute, she may be falling

Physics: Principles & Problems | 9th Edition | ISBN: 9780078458132 | Authors: Paul W Zitzewitz ISBN: 9780078458132 109

Solution for problem 45 Chapter 4

Physics: Principles & Problems | 9th Edition

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Physics: Principles & Problems | 9th Edition | ISBN: 9780078458132 | Authors: Paul W Zitzewitz

Physics: Principles & Problems | 9th Edition

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Problem 45

Before a sky diver opens her parachute, she may be falling at a velocity higher than the terminal velocity that she will have after the parachute opens. (4.2) a. Describe what happens to her velocity as she opens the parachute. b. Describe the sky divers velocity from when her parachute has been open for a time until she is about to land

Step-by-Step Solution:
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Day 20 ­ 2/22/2016 Phys 5b Intensity at random point on screen I(y) or I(θ ) Δθ 2π A = | 2acos( 2 ) | Δϕ = hΔr = λ Δ r Δr = dsinθ 1 2π 2 2 A = | 2acos [ 2 λ d sinθ] I ~ A​I​ o​= Ca​ 2​ 2​ 2​πd I(θ) = CA​ = 4Ca​ cos​ [λ sinθ] 2​πd πd I(θ) = 4I​o​os​ [ λ sinθ ]α = λ sinθ 2 Double Slit Pattern: ​ I(α) = 4I​o​os​ α 2 πd N­Slits: I(θ ) = I​(r) = sin [πdsinθ] α = πd sinθ o​ sin λ sinθ] λ sin [Nα] I(θ ) = o​r) = sin α Max: dsinθ = nλ → n = 0, 1, 2, 3,...

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Chapter 4, Problem 45 is Solved
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Textbook: Physics: Principles & Problems
Edition: 9
Author: Paul W Zitzewitz
ISBN: 9780078458132

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Before a sky diver opens her parachute, she may be falling