What is the wires linear charge density
A proton orbits a long charged wire, making 1.50 times 10^{6} revolutions per second. The radius of the orbit is 1.60 cm. What is the wire's linear charge density?
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The solid part of the disk has a uniform charge density, (sigma symbol), on its surface. Derive an expression for the total electric charge on the solid part of the disk.
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Positive charge Q is uniformly distributed around a semicircle of radius R. Find the magnitude and direction of the electric field at a point P, the center of curvature of the semicircle.
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Car accelerated as as stop light changes. the cars linear motion is 0-10 m/s in 10 s annd the diameter of a tire is .85 m what is the final angular velocity of the tire on the car? what is the angular acceleration of the tire on the car while the
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