An anxious physicist worries that the two metal shelves of a wood frame bookcase might obtain a high voltage if charged by static electricity, perhaps produced by friction. (a) What is the capacitance (in F) of the empty shelves if they have area 2.80 x 102 m2 and are 0.300 m apart? F (b) What is the voltage between them (in V) if opposite charges of magnitude 2.30 nC are placed on them? V (c) To show that this voltage poses a small hazard, calculate the energy stored (in J). J (d) The actual shelves have an area 100 times smaller than these hypothetical shelves. Are his fears justified? Yes O No

An anxious physicist worries that the two metal shelves of a wood frame bookcase might obtain a high voltage if charged by static electricity, perhaps produced by friction. (a) What is the capacitance (in F) of the empty shelves if they have area 2.80 x 102 m2 and are 0.300 m apart? F (b) What is the voltage between them (in V) if opposite charges of magnitude 2.30 nC are placed on them? V (c) To show that this voltage poses a small hazard, calculate the energy stored (in J). J (d) The actual shelves have an area 100 times smaller than these hypothetical shelves. Are his fears justified? Yes O No

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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