If Q = 80 NC,a = 3

question 75

Multiple Choice

If Q = 80 nC,a = 3.0 m,and b = 4.0 m in the figure,what is the magnitude of the electric field at point P?

• A)45 N/C
• B)70 N/C
• C)29 N/C
• D)47 N/C
• E)92 N/C

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Definitions:

Net Present Value

A financial metric that calculates the present value of an investment's expected cash flows minus the initial investment cost.

Internal Rate of Return

The discount rate that makes the net present value (NPV) of all cash flows from a particular project equal to zero.

Cost of Capital

The rate of return a company must earn on its investment projects to maintain its market value and satisfy its shareholders.

Reinvestment Assumption

The presumption that cash flows received from an investment will be reinvested at a consistent rate over the life of the investment.