MasteringPhysics: Homework #6-Google Chrome Secure l https://session.masteringph

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MasteringPhysics: Homework #6-Google Chrome Secure l https://session.masteringphysics.com/myct/itemView?assignmentProblemID-864463 13&offsetsnext; Homework #6 Problem 23.29-Enhanced-with Hints Resources « previous 7 of 9 next Problem 23.29 - Enhanced- with Hints Part A The surface charge density on an infinite charged plane is 2.20 x 10-6 C/m2 . A proton is shot straight away from the plane at 1.80 x106 m/s. How far does the proton travel before reaching its turning point? Express your answer with the appropriate units. Hints You may want to review (Ls 66-648) For help with math skills, you may want to review. ? ale Units Submit My Answers Give Up Continue O Type here to search 10/15/2017 2

Explanation / Answer

E = sigma / 2 e0

E = (2.20 x 10^-6) / (2 x 8.854 x 10^-12)

E = 1.24 x 10^5 N/C

F = q E

a = F / m = q E / m =(1.6 x 10^-19) (1.24 x 10^5) / (1.67 x 10^-27)

a = 1.19 x 10^13 m/s^2

Applying vf^2 - v0^2 = 2 a d

0^2 - (1.80 x 10^6)^2 = 2 (1.19 x 10^13)(d)

d = 0.136 m

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