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Q7: In a given displacement of a particle, its kinetic energy increases by 25 J while its potential energy decreases by 12J. determine the work of the nonconservative forces acting on the particle during this displacement. a) 13 b) -13 c) 40.1 d) 37 Q8: A football player shot the ball at an angle of 40° above the horizontal at a speed of 10 m/s. How far (in m) will the ball reach in the horizontal direction? a) 22.6 b) 14.8 c) 9.8 d) 9.8

Q7: In a given displacement of a particle, its kinetic energy increases by 25 J while its potential energy decreases by 12J. determine the work of the nonconservative forces acting on the particle during this displacement. a) 13 b) -13 c) 40.1 d) 37 Q8: A football player shot the ball at an angle of 40° above the horizontal at a speed of 10 m/s. How far (in m) will the ball reach in the horizontal direction? a) 22.6 b) 14.8 c) 9.8 d) 9.8

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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Q7: In a given displacement of a particle, its kinetic energy increases by 25 J while its potential energy decreases by 12J. determine the work of the nonconservative forces acting on the particle during this displacement. a) 13 b) -13 c) 40.1 d) 37 Q8: A football player shot the ball at an angle of 40° above the horizontal at a speed of 10 m/s. How far (in m) will the ball reach in the horizontal direction? a) 22.6 b) 14.8 c) 9.8 d) 9.8
Transcribed Image Text:Q7: In a given displacement of a particle, its kinetic energy increases by 25 J while its potential energy decreases by 12J. determine the work of the nonconservative forces acting on the particle during this displacement. a) 13 b) -13 c) 40.1 d) 37 Q8: A football player shot the ball at an angle of 40° above the horizontal at a speed of 10 m/s. How far (in m) will the ball reach in the horizontal direction? a) 22.6 b) 14.8 c) 9.8 d) 9.8
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