Please help! The earth has a vertical electric field with a magnitude ofapproxim

Question

Please help!
The earth has a vertical electric field with a magnitude ofapproximately 100 V/m near its surface. What is the magnitudeof the potential difference between a point on the ground and pointon the same level as the top of the Washington Monument (555 ft.high)?
|V| = _____________________
The earth has a vertical electric field with a magnitude ofapproximately 100 V/m near its surface. What is the magnitudeof the potential difference between a point on the ground and pointon the same level as the top of the Washington Monument (555 ft.high)?
|V| = _____________________

Explanation / Answer

The electric field E = 100 V/m
the distance d = 555ft = 555*0.3048m = 169.2 m we know that potential difference              V = E*d = 100 * 169.2 = 16916.4 volts

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