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Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 6th Edition
16
Electric Charge and Electric Field
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16-5 and 16-6: Coulomb's Law
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Problem 33
A
4.7×106 N/C, 45∘ below the x-axis4.7 \times 10^6 \textrm{ N/C, } 45^\circ \textrm{ below the x-axis} Note that the video has an error in the final calculation where I missed squaring the denominator. Everything else in the video is correct, and the proper final answer is shown above.
Giancoli 6th Edition, Chapter 16, Problem 33 solution video poster
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COMMENTS
By lpe0020 on Mon, 2/18/2013 - 8:25 PM

According to the answer provided at the back of my textbook, the answer should be 4.70e6 N/C at 45 degrees.

By MinSonny on Mon, 2/25/2013 - 10:57 PM

I received the same answer of 4.7e6 N/C. Even when doing the calculations above I received 4.7e6 N/C

By prologue on Sun, 2/9/2014 - 1:02 AM

Solution manual has 4.7e6 as well.

By Mr. Dychko on Sun, 2/9/2014 - 6:03 AM

Thanks for the heads up on this everyone. I forgot to square the denominator in the final calculation. I've updated the text answer, with a note about this error in the video for the final calculation.

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