Exercise 7.31 - Enhanced - with Feedback A force parallel to the r-axis acts on a particle moving along the T-axis. This force is associated with potential energy U(r) given by U(z) = ax", where a = 0.790 J/m*. Part A What is the magnitude of the force when the particle is at z = -0.800 m? Express your answer with the appropriate units. HA F = Value Units Submit Request Answer Part B Complete previous part(s) Provide Feedback
Exercise 7.31 - Enhanced - with Feedback A force parallel to the r-axis acts on a particle moving along the T-axis. This force is associated with potential energy U(r) given by U(z) = ax", where a = 0.790 J/m*. Part A What is the magnitude of the force when the particle is at z = -0.800 m? Express your answer with the appropriate units. HA F = Value Units Submit Request Answer Part B Complete previous part(s) Provide Feedback
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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Transcribed Image Text:Exercise 7.31 - Enhanced - with Feedback
A force parallel to the r-axis acts on a particle moving along the
T-axis. This force is associated with potential energy U(r) given by
U(z) = ax", where a = 0.790 J/m*.
Part A
What is the magnitude of the force when the particle is at a = -0.800 m?
Express your answer with the appropriate units.
HA
F =
Value
Units
Submit
Request Answer
Part B Complete previous part(s)
Provide Feedback

Transcribed Image Text:Exercise 7.34 - Enhanced - with Feedback
An object moving in the ry-plane is acted on by a conservative force
described by the potential-energy function
U(0, y) =a(1/x? +1/y²), where a is a positive constant.
Part A
Derive an expression for the force expressed in terms of the unit vectors.
Express your answer in terms of z, y, a, i, and j.
F =
Submit
Request Answer
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