Recent content by DrKARMA

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    High School How do electrical charges attract/repel each other

    Alright thanks. I think I get it now
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    High School How do electrical charges attract/repel each other

    So the resultant is to the left?
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    High School How do electrical charges attract/repel each other

    Ok. I understand like repel and opposite attract. There are these physics homework with 3 charges and find the force from 2 of them on one. I understand the math: the only problem is my signs are wrong due to not understanding the direction of the force. For example, There's a positive...
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    Finding Electric Field from an insulating sphere

    An insulating sphere with a radius of (3.3E-2) m has a uniform charge density of (6.74E-6) C/m^3 throughout its volume. (1)Find the magnitude of the electric field at a point (5.7E-2) m from the center of the sphere. (2) Find the magnitude of the electric field at the surface of the...