FIGURE 21-1 -Three Equal Charges Are at Three of the Corners of the Corners

question 64

Multiple Choice

FIGURE 21-1
-Three equal charges are at three of the corners of a square of side d. A fourth charge of equal magnitude is at the center of the square as shown in Fig. 21-1. Which of the arrows shown represents the net force acting on the charge at the center of the square?

• A)A
• B)B
• C)C
• D)D
• E)none of the above

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The average duration a company takes to pay off its suppliers and creditors, usually measured in days.

Accounts Receivable Period

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Payables Period

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Credit Sales

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