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    Coulombs Law and Electric Charges

    Likewise, this similar problem also has me stumped A charge of 7.00 mC is placed at each corner of a square 0.80 m on a side. Determine the magnitude of the force on each charge. Any help would be greatly appreciated!
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    Calculation Error?

    Hello, I'm in the middle of a problem on the online program Webassign, trying to calculate the coefficient of friction in a problem. I have the correct value of the force of friction, and I believe I have the correct Normal Force value, but the program is rejecting my answer. The problem...
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    What are the x, y, and z components of the displacement vector from camp to summit?

    Sorry to have posted this twice, but I didn't realize there is a special homework help section until after I'd posted in another part of the board. Anyway, any guidance in how to draw the diagram for the following problem would be greatly appreciated. I'm not sure about the position of the Z...