As Shown in the Figure,three Charges Are at Corners of a Rectangle.The

question 20

Multiple Choice

As shown in the figure,three charges are at corners of a rectangle.The charge in the bottom right corner is Q = - 90 nC,and all the other quantities are accurate to two significant figures.What is the magnitude of the net electrical force on Q due to the other two charges? (k = 1/4πε₀ = 9.0 × 10⁹ N ∙ m²/C²)

• A)3.8 × 10^-2 N
• B)2.8 × 10^-2 N
• C)5.3 × 10^-2 N
• D)7.1 × 10^-2 N

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Definitions:

Bond Yields

The amount of return an investor realizes on a bond, calculated as the percentage of the bond's annual interest payments relative to its market price.

Yield To Call

The return a bondholder gets if the bond is held until the call date, which is before the bond's actual maturity date.

Expected Capital Gains Yield

The anticipated rate of return from an investment due to an increase in its market price.

Reinvestment Rate Risk

Occurs when a short-term debt security must be “rolled over.” If interest rates have fallen, the reinvestment of principal will be at a lower rate, with correspondingly lower interest payments and ending value.