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Window Help safarl File Edit View History WileyPLUS WleyPLUS wileyPLUS: MywileyPLUS I Help I Contact Us I Log Out GENERAL ANALYTICAL PHYSICS (PHYS 211 & 212) Halliday, Fundamentals of Physics,10e Practice Gradebook ORION Downloadable eTextbook FULL SCREEN PRINTER VERSON ·BACK NEXT Chapter 22, Problem 058 A certain electric dipole is placed in a uniform electric fneld E of magnitude 21 N/C. The figure gives the potential energy U of the dipole versus the angle 0 between E and the dipole moment P. What is the magnitude or P umber of sgniticant digts is snt to 2: the tolerance is y-1 m the 2nd significaht dige Question Attempts: 0 of 7 used SAVE FOR LATR SUBHET ANSWe version 4.24.7.7 MacBook Air -16 2 4

Explanation / Answer

Energy = -pE Cos(theta)

At theta =0, cos(theta) = 1

-100 = -pE

-100 *10^-28= -P*21

P = 4.76*10^-28 Cm

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