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 1.80 x 102 m2 and are 0.230 m apart?(b) What is the voltage between them (in V) if opposite charges of magnitude 1.90 nC are placed on them?V(c) To show that this voltage poses a small hazard, calculate the energy stored (in J).(d) The actual shelves have an area 100 times smaller than these hypothetical shelves. Are his fears justified?O YesO No

C=ε0Ad=8.854×10-12 C2/N·m21.80×102 m20.230 m=6.93×10-9 F

Answered: An anxious physicist worries that the…

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