Along cylindrical shell (radius = 2.0 cm) has a charge uniformly distributed on its surface. if the magnitude of the electric field at a point 8.0 cm radially outward from the axis of the shell is 85 n/c, how much charge is distributed on a 2.0-m length of the charged cylindrical surface? the answer is suppose to be 0.76nc, i just don't know how to get there. explain

i believe it is b. what was the cause of the big bang

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compass can be used day and night, cloudy or sunny

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.