Two Point Charges Are Placed Along a Horizontal Axis with the Following

question 61

Multiple Choice

Two point charges are placed along a horizontal axis with the following values and positions: +3.0 µC at x = 0 cm and -6.0 µC at x = 20 cm. At what point along the x axis is the electric field zero?

• A) "8.0 cm"
• B) "-048 cm"
• C) "-38 cm"
• D) "-69 cm"

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Definitions:

Rank Sums

A non-parametric statistical measure used to compare the distributions of two independent samples by ranking all observations together and then summing ranks for observations belonging to each sample.

Standardized Test Statistic

A calculated value used to determine the relative distance of a data point or sample from the mean of a population, expressed in terms of the standard deviation of the population.

Positive Differences

The result obtained when subtracting a smaller number from a larger number in each pair of a data set.

Negative Differences

Refers to the results obtained when subtracting a number from another number that is smaller, resulting in a negative value.