Layer of air among these two elevations

Reference no: EM13660691

In the air over a particular region at an altitude of 500 m above the ground, the electric field is 130 N/C directed downward. At 600 m above the ground, the electric field is90 N/C downward. What is the average volume charge density in the layer of air among these two elevations?

Reference no: EM13660691

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