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Physics 13 Online
OpenStudy (anonymous):

Hi, this is my first time on this site hope you can help me I really dont understand how to do this problem: You have two balls hanging from the roof with ropes of the same distance, with the same mass 0.681kg and they both have the same charge 18.0 microC. if the angle from the middle to the rope is 20 degrees, how long is the rope? thank you all so much in advance!

OpenStudy (anonymous):

|dw:1326430289147:dw| Hope this drawing helps

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