A 2.5-mm-diameter sphere is charged to -4.5 nC. An electron fired directly at the sphere from far

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A 2.5-mm-diameter sphere is charged to -4.5 nC. An electron fired directly at the sphere from far away comes to within 0.30 mm of the surface of the target before being reflected.

a. What was the electron's initial speed?

b. At what distance from the surface of the sphere is the electron's speed half of its initial value?

c. What is the acceleration of the electron at its turning point?

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College Physics A Strategic Approach

ISBN: 9780321595492

2nd Edition

Authors: Randall D. Knight, Brian Jones, Stuart Field

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Question Posted: Nov 03, 2023 02:29 PM

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A 2.5-mm-diameter sphere is charged to -4.5 nC. An electron fired directly at the sphere from far

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a Initial Speed The electrons initial speed can be determined using the concept of electrical potential energy When the electron is far away from the ...View the full answer

College Physics A Strategic Approach

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