Measurements along a straight line yield the following electric potentials: at

PHYSICS · Subjective · AP · Physics 2: Algebra-based · Electric Force Field and Potential · Electric Force Field and Potential

Problem

Measurements along a straight line yield the following electric potentials: V=+150 VV=+150\,\text{V} at x=0x=0, V=+90 VV=+90\,\text{V} at x=0.010 mx=0.010\,\text{m}, and V=−30 VV=-30\,\text{V} at x=0.020 mx=0.020\,\text{m}. For each 1-cm interval, determine the magnitude of the average electric field, identify which interval has the larger field magnitude, and state that magnitude.

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