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A conservative force F(x) acts on a 2.0 kg particle that
Chapter , Problem 77(choose chapter or problem)
A conservative force F(x) acts on a 2.0 kg particle that moves along an x axis. The potential energy U(x) associated with F(x) is graphed in Fig. 8-63. When the particle is at x ! 2.0 m, its velocity is %1.5 m/s. What are the (a) magnitude and (b) direction of F(x) at this position? Between what positions on the (c) left and (d) right does the particle move? (e) What is the particles speed at x ! 7.0 m? 0 5 10 15 20 U(x) ( J ) 5 x (m) 0 10 15 Figure 8-63 77.
Questions & Answers
QUESTION:
A conservative force F(x) acts on a 2.0 kg particle that moves along an x axis. The potential energy U(x) associated with F(x) is graphed in Fig. 8-63. When the particle is at x ! 2.0 m, its velocity is %1.5 m/s. What are the (a) magnitude and (b) direction of F(x) at this position? Between what positions on the (c) left and (d) right does the particle move? (e) What is the particles speed at x ! 7.0 m? 0 5 10 15 20 U(x) ( J ) 5 x (m) 0 10 15 Figure 8-63 77.
ANSWER:Step 1 of 6
Given data:
A conservative force F(x) acts on a m = 2.0 kg particle that moves along an x-axis. When the particle is at x = 2.0 m, its velocity is v = -1.5 m/s. The potential energy U(x) associated with F(x) is graphed in Fig. 8-63.
