(d) What are the magnitude and direction of the force on the particle as it begins to move to the right of x = 5.0 m? magnitude direction N ---Select--- O

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11th Edition
ISBN:9781305952300
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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Need help with part D.

The figure below shows a plot of potential energy U versus position x of a 0.96 kg particle that can travel only along an x
axis. (Nonconservative forces are not involved.) In the graphs, the potential energies are UA = 10.0 J, UB 25.0 J, and
Uc = 35.0 J.
=
(0)
Ucr
UB
UA
4
x (m)
The particle is released at x = 4.5 m with an initial speed of 8.5 m/s, headed in the negative x direction.
(a) If the particle can reach x = 1.0 m, what is its speed there, and if it cannot, what is its turning point?
6.4
m/s
◆
6
(b) What are the magnitude and direction of the force on the particle as it begins to move to the left of x = 4.0 m?
7.5
N
magnitude
direction
magnitude
direction
+X
Suppose, instead, the particle is headed in the positive x direction when it is released at x = 4.5 m at speed 8.5 m/s.
(c) If the particle can reach x = 7.0 m, what is its speed there, and if it cannot, what is its turning point?
4.5
m/s
◊
(d) What are the magnitude and direction of the force on the particle as it begins to move to the right of x = 5.0
m?
N
---Select--- î
Transcribed Image Text:The figure below shows a plot of potential energy U versus position x of a 0.96 kg particle that can travel only along an x axis. (Nonconservative forces are not involved.) In the graphs, the potential energies are UA = 10.0 J, UB 25.0 J, and Uc = 35.0 J. = (0) Ucr UB UA 4 x (m) The particle is released at x = 4.5 m with an initial speed of 8.5 m/s, headed in the negative x direction. (a) If the particle can reach x = 1.0 m, what is its speed there, and if it cannot, what is its turning point? 6.4 m/s ◆ 6 (b) What are the magnitude and direction of the force on the particle as it begins to move to the left of x = 4.0 m? 7.5 N magnitude direction magnitude direction +X Suppose, instead, the particle is headed in the positive x direction when it is released at x = 4.5 m at speed 8.5 m/s. (c) If the particle can reach x = 7.0 m, what is its speed there, and if it cannot, what is its turning point? 4.5 m/s ◊ (d) What are the magnitude and direction of the force on the particle as it begins to move to the right of x = 5.0 m? N ---Select--- î
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