MasterinqPh,sics Chapter Google Chrome 0 ü Serure https://sessan.masteringphysis

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MasterinqPh,sics Chapter Google Chrome 0 ü Serure https://sessan.masteringphysis.com/myctitemView?assignmentprohlemiD=86014639 Chapter Problem 7.40 previous | 5 of 6 | next » Part B (b) Find a mathematical expression in terms of , y, and z for the y component of the force on the particle Submit My Answers Give Up Incorrect y Agaln; 15 attempts remaining Part C (c) If U 3.00 J when the particle is 2.00 m from the origin, find the numerical value of the y component of the force on this particle when it is at the point (-1.00 m. 2.00 m, 3.00 m). Submit My Answers Give Up rovide Feedback Continue Type here to search :12 PM E 1021/2017 2

Explanation / Answer

formula related to force and potential energy is

conservative force is negative gradient of potential energy

F = -del U

= -del k r

= -del k sqrt x^2 +y^2 + z^2

the y component of the force is

take y portion of gradient

Fy = - k y/ sqrt x^2 +y^2 + z^2

(c)

U = kr

3= k(2)

k = 3/2

Fy = - 3 ( 2)/ 2 sqrt ( -1)^2 + ( 2)^2 + ( 3)^2

= -0.802 N

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