Solved: A 12.0 N force with a fixed orientation does work
Chapter 7, Problem 11(choose chapter or problem)
A 12.0 N force with a fixed orientation does work on a particle as the particle moves through the three-dimensional displacement d = (2.001 - 4.00J + 3.00k) m. What is the angle between the force and the displacement if the change in the particle's kinetic energy is (a) +30.0 J and (b) - 30.0 J?
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