Explanation Given: The largest solar furnace in the world, located in Odeillo, France, has a parabolic reflector with a vertical cross section that measures 130 ft high and 17.9 ft deep. Formula used: The standard form of the equation of the parabola with its axis along the x -axis and vertex at the origin is y 2 = 4 p x where, ( p , 0 ) is focus of the parabola and x = − p is directrix of the parabola. Distance formula: The distance between two points P 1 = ( x 1 , y 1 ) and P 2 = ( x 2 , y 2 ) , denoted by d ( P 1 , P 2 ) , is d ( P 1 , P 2 ) = ( x 2 − x 1 ) 2 − ( y 2 − y 1 ) 2 . Calculation: Let the vertex of the parabola be at the origin. Given that the largest solar furnace has a parabolic reflector with a vertical cross section that measures 130 ft high and 17.9 ft deep. From the given information one point of the parabola is ( 65

Basic Technical Mathematics with Calculus (11th Edition)

11th Edition

ISBN: 9780134437736

Author: Allyn J. Washington, Richard Evans

Publisher: PEARSON

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Chapter 21.4, Problem 45E

To determine

To find: The focal length when a solar furnace uses a parabolic reflector to direct the sun’s rays to a common focal point.

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Chapter 21.4, Problem 44E

Chapter 21.4, Problem 46E

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Chapter 21 Solutions

Basic Technical Mathematics with Calculus (11th Edition)

Ch. 21.1 - Find the distance between (−2, 6) and (5, −3). Ch. 21.1 - Prob. 2PE Ch. 21.1 - Prob. 1E Ch. 21.1 - Prob. 2E Ch. 21.1 - Prob. 5E Ch. 21.1 - In Exercises 5–14, find the distance between the...Ch. 21.1 - Prob. 7E Ch. 21.1 - Prob. 8E Ch. 21.1 - Prob. 9E Ch. 21.1 - Prob. 10E

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