In the figure below a neutral insulating disk of mass M and radius R is pivoted at the center. A small charge +q (having negligible mass) is fixed to one edge and a charge of-q (having negligible mass) is fixed to the opposite edge so that the line between the two charges makes a small angle 0 with an applied, uniform electric field E as shown.

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Chapter1: Units, Trigonometry. And Vectors
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In the figure below a neutral insulating disk of mass M and radius R is pivoted at the center. A small
charge +q (having negligible mass) is fixed to one edge and a charge of-q (having negligible mass)
is fixed to the opposite edge so that the line between the two charges makes a small angle 0 with an
applied, uniform electric field E as shown.
(A) The torque on the disk is 2qRE sin0
|4Eq
(B) The angular frequency with which the disk oscillates
MR
2Eq
(C) The angular frequency with which the disk oscillates
V MR
(D) The torque on the disk is RE sin0
Transcribed Image Text:In the figure below a neutral insulating disk of mass M and radius R is pivoted at the center. A small charge +q (having negligible mass) is fixed to one edge and a charge of-q (having negligible mass) is fixed to the opposite edge so that the line between the two charges makes a small angle 0 with an applied, uniform electric field E as shown. (A) The torque on the disk is 2qRE sin0 |4Eq (B) The angular frequency with which the disk oscillates MR 2Eq (C) The angular frequency with which the disk oscillates V MR (D) The torque on the disk is RE sin0
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