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a constant 80% of the specd of light and (b) accelerating in the forward dircction. EXERCISES Section 4.1 Force and Interactions 4.1 * Two dogs pull horizontally on ropes attached to a post; the angle betwecn the ropes is 60.0. If Rover exerts a force of 270 N and Fido excrts a force of 300 N, find the magnitude of the resul- tant force and the angle it makes with Rover's rope. 4.2 To extricate an SUV stuck in the mud, workmen use three fi horizontal ropes, producing the force vectors shown in Fig. E4.2. (a) Find the x- and y-components of cach of the three pulls. 4. -COn te (b) Use the components to find the magnitude and direction of le the resultant of the three pulls. Figure E4.2 ma 788 N 4. 80

a constant 80% of the specd of light and (b) accelerating in the forward dircction. EXERCISES Section 4.1 Force and Interactions 4.1 * Two dogs pull horizontally on ropes attached to a post; the angle betwecn the ropes is 60.0. If Rover exerts a force of 270 N and Fido excrts a force of 300 N, find the magnitude of the resul- tant force and the angle it makes with Rover's rope. 4.2 To extricate an SUV stuck in the mud, workmen use three fi horizontal ropes, producing the force vectors shown in Fig. E4.2. (a) Find the x- and y-components of cach of the three pulls. 4. -COn te (b) Use the components to find the magnitude and direction of le the resultant of the three pulls. Figure E4.2 ma 788 N 4. 80

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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a constant 80% of the specd of light and (b) accelerating in the forward dircction. EXERCISES Section 4.1 Force and Interactions 4.1 * Two dogs pull horizontally on ropes attached to a post; the angle betwecn the ropes is 60.0. If Rover exerts a force of 270 N and Fido excrts a force of 300 N, find the magnitude of the resul- tant force and the angle it makes with Rover's rope. 4.2 To extricate an SUV stuck in the mud, workmen use three fi horizontal ropes, producing the force vectors shown in Fig. E4.2. (a) Find the x- and y-components of cach of the three pulls. 4. -COn te (b) Use the components to find the magnitude and direction of le the resultant of the three pulls. Figure E4.2 ma 788 N 4. 80
Transcribed Image Text:a constant 80% of the specd of light and (b) accelerating in the forward dircction. EXERCISES Section 4.1 Force and Interactions 4.1 * Two dogs pull horizontally on ropes attached to a post; the angle betwecn the ropes is 60.0. If Rover exerts a force of 270 N and Fido excrts a force of 300 N, find the magnitude of the resul- tant force and the angle it makes with Rover's rope. 4.2 To extricate an SUV stuck in the mud, workmen use three fi horizontal ropes, producing the force vectors shown in Fig. E4.2. (a) Find the x- and y-components of cach of the three pulls. 4. -COn te (b) Use the components to find the magnitude and direction of le the resultant of the three pulls. Figure E4.2 ma 788 N 4. 80
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