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4. A force with magnitude F = 10 N with a fixed orientation is applied on a particle. The particle moves only under the influence of this force and makes a two-dimensional displacement d = (3î – 4ĵ ) m. (a) particle's kinetic energy is 25 J? (b) (c) energy increase or decrease? (d) work to the particle? Explain your answer. %3D What is the angle between the force and the displacement if the change in the What is the angle now if the change in the particle's kinetic energy is -25 J? If the angle between the force and the displacement is 70°, will the particle's kinetic Is there an angle between the force and the displacement at which the force does no

4. A force with magnitude F = 10 N with a fixed orientation is applied on a particle. The particle moves only under the influence of this force and makes a two-dimensional displacement d = (3î – 4ĵ ) m. (a) particle's kinetic energy is 25 J? (b) (c) energy increase or decrease? (d) work to the particle? Explain your answer. %3D What is the angle between the force and the displacement if the change in the What is the angle now if the change in the particle's kinetic energy is -25 J? If the angle between the force and the displacement is 70°, will the particle's kinetic Is there an angle between the force and the displacement at which the force does no

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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Please only asnwer part (d)

Answer of (a) : 60

Answer of (b) : 120

Answer of (c) : particle K.E. increases by 17.1J

4. A force with magnitude F = 10 N with a fixed orientation is applied on a particle. The particle moves only under the influence of this force and makes a two-dimensional displacement d = (3î – 4j ) m. (a) particle's kinetic energy is 25 J? (b) (c) energy increase or decrease? (d) work to the particle? Explain your answer. - What is the angle between the force and the displacement if the change in the What is the angle now if the change in the particle's kinetic energy is -25 J? If the angle between the force and the displacement is 70°, will the particle's kinetic Is there an angle between the force and the displacement at which the force does no
Transcribed Image Text:4. A force with magnitude F = 10 N with a fixed orientation is applied on a particle. The particle moves only under the influence of this force and makes a two-dimensional displacement d = (3î – 4j ) m. (a) particle's kinetic energy is 25 J? (b) (c) energy increase or decrease? (d) work to the particle? Explain your answer. - What is the angle between the force and the displacement if the change in the What is the angle now if the change in the particle's kinetic energy is -25 J? If the angle between the force and the displacement is 70°, will the particle's kinetic Is there an angle between the force and the displacement at which the force does no
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