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Safari File Edit View History Bookmarks Window Help D-86951704 Resources Be previous 3 of 6 next » Homework M Problem 29.54 Problem 29.54 Part A f the magnitude of the magnetic field is now decreased at a rate of 0.11 T/s, what force (magnitude and direction) will act on +0 In a circular region, there is a uniform magnetic teld B pointing into the page (soe the figure). An ry coordinate system has ts origin at the circular region's center. A free positive point charge +Q 1.0C is italy at st at a position z-10cm on the z axis Express your aswer using two significant figures Eigure 1) nN Submit My Answers Give Up Figure 1 of 1 Part B The force is in +z- direction O The force is in -y direction. The fore is in-irectin The force is in + y-direction. 0 x = +10 cm My Answers Give Up Incorrect: Try Again; 4 attempts remaining Provide Feedback ontinue Copyright 2017 Pearson All rights reserved Legal Notice Privacy Policy Permissions Tutoring Support PHYS2415FALL2017 Ends: 12252017

Explanation / Answer

a) Electric field E = (x / 2) * dB/dt

= (0.1 / 2) * (-0.11 T/s)

= -5.5 * 10-3 = -0.0055 N/C

F = q E = 1 * 10-6 * -0.0055

= -5.5 * 10-9 N = -5.5 nN

b) Force is negative y-direction

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