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Author Question: Rubber rods charged by rubbing with cat fur repel each other. Glass rods charged by rubbing with ... (Read 181 times)

nummyann

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on: Aug 6, 2020

Question 1

In the figure, if Q = 30 μC, q = 5.0 μC, and d = 30 cm, what is the magnitude of the electrostatic force on q?



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15 N

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23 N

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zero

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7.5 N

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38 N


Question 2

Rubber rods charged by rubbing with cat fur repel each other. Glass rods charged by rubbing with silk repel each other. A rubber rod and a glass rod charged respectively as above attract each other. A possible explanation is that

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Any two rubber rods charged this way have opposite charges on them.

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Any two glass rods charged this way have opposite charges on them.

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A rubber rod and a glass rod charged this way have opposite charges on them.

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All rubber rods always have an excess of positive charge on them.

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All glass rods always have an excess of negative charge on them.
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by nummyann on Aug 6, 2020

abctaiwan

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Reply #1 on: Aug 6, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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nummyann

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Reply 2 on: Aug 6, 2020
YES! Correct, THANKS for helping me on my review

mjenn52

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Reply 3 on: Yesterday
Excellent

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