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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

Physics for Scientists and Engineers, Technology Update (No access codes included)
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter8: Conservation Of Energy
Section: Chapter Questions
Problem 8.47AP: A 4.00-kg particle moves along the x axis. Its position O varies with time according to x = t +...
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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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