3 small identical balls have charges -3×10^-12 ,8×10^-12 and 4×10^-12 find the charge
1 answer:
Answer:
3×10^-12 C
Explanation:
The total of the three charges is ...
(-3 +8 +4)×10^-12 C = 9×10^-12 C
Assuming the charge is equally distributed between the balls when they are brought in contact, the charge on each ball will be ...
(9/3)×10^-12 C = 3×10^-12 C
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Answer: B
Explanation: look at the chart, easy
The correct answer is A .
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f= 14Hz
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