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(Question 19 – 21) Consider two waves meet in space, y = 2 cos(0.05xx – 200at), and y2 = 2 cos (0.05rx + 200at). 19. Find the resultant wave form. Hint: use Cos a + Cos ß = 2Cos[( a+B) /2]Cos[(a-ß) /2] a. y = 4 sin 200at sin 0.05nx b. y = 4 cos 200at cos 0.05tx c. y = 4 cos 200nt sin 0.05ux d. y = 4 sin 200at cos 0.05tx 20. Find the positions of the nodes. (in centimeters), Hint, y = 0. a. x = 5, 15, 25, 35 ... c. x = 0, 20, 40, 60 ... b. x = 10, 30, 50, 70 d. x = 0, 10, 20, 30, 40

(Question 19 – 21) Consider two waves meet in space, y = 2 cos(0.05xx – 200at), and y2 = 2 cos (0.05rx + 200at). 19. Find the resultant wave form. Hint: use Cos a + Cos ß = 2Cos[( a+B) /2]Cos[(a-ß) /2] a. y = 4 sin 200at sin 0.05nx b. y = 4 cos 200at cos 0.05tx c. y = 4 cos 200nt sin 0.05ux d. y = 4 sin 200at cos 0.05tx 20. Find the positions of the nodes. (in centimeters), Hint, y = 0. a. x = 5, 15, 25, 35 ... c. x = 0, 20, 40, 60 ... b. x = 10, 30, 50, 70 d. x = 0, 10, 20, 30, 40

College Physics
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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(Question 19 – 21) Consider two waves meet in space, y = 2 cos(0.05xx – 200at), and y2 = 2 cos (0.05rx + 200at). 19. Find the resultant wave form. Hint: use Cos a + Cos ß = 2Cos[( a+B) /2]Cos[(a-ß) /2] a. y = 4 sin 200at sin 0.05nx b. y = 4 cos 200at cos 0.05tx c. y = 4 cos 200nt sin 0.05ux d. y = 4 sin 200at cos 0.05tx 20. Find the positions of the nodes. (in centimeters), Hint, y = 0. a. x = 5, 15, 25, 35 ... c. x = 0, 20, 40, 60 ... b. x = 10, 30, 50, 70 d. x = 0, 10, 20, 30, 40
Transcribed Image Text:(Question 19 – 21) Consider two waves meet in space, y = 2 cos(0.05xx – 200at), and y2 = 2 cos (0.05rx + 200at). 19. Find the resultant wave form. Hint: use Cos a + Cos ß = 2Cos[( a+B) /2]Cos[(a-ß) /2] a. y = 4 sin 200at sin 0.05nx b. y = 4 cos 200at cos 0.05tx c. y = 4 cos 200nt sin 0.05ux d. y = 4 sin 200at cos 0.05tx 20. Find the positions of the nodes. (in centimeters), Hint, y = 0. a. x = 5, 15, 25, 35 ... c. x = 0, 20, 40, 60 ... b. x = 10, 30, 50, 70 d. x = 0, 10, 20, 30, 40
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