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anonymous
 one year ago
An object with a charge of +6.0 μC is 0.30 m from a second object and experiences an attractive force of 1.80 N. What is the magnitude of the charge on the second object?
A. 6.0 μC
B. 3.0 μC
C. +3.0 μC
D. +6.0 μC
anonymous
 one year ago
An object with a charge of +6.0 μC is 0.30 m from a second object and experiences an attractive force of 1.80 N. What is the magnitude of the charge on the second object? A. 6.0 μC B. 3.0 μC C. +3.0 μC D. +6.0 μC

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Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2here we have to apply the Coulomb law, so we get: \[\large {Q_2} = \frac{{F{d^2}}}{{K{Q_1}}}\]

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2\[\large {Q_2} = \frac{{F{d^2}}}{{K{Q_1}}} = \frac{{18 \times {{0.3}^2}}}{{9 \times {{10}^9} \times 6 \times {{10}^{  6}}}}\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok! so we get this? 3E5?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so that would be choice B? :/

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2yes! since the force is attractive
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