A Point Charge (-5 $\mu$ C)is Placed on the X Axis at X = 4

question 135

Multiple Choice

A point charge (-5.0 $\mu$ C) is placed on the x axis at x = 4.0 cm,and a second charge (+5.0 $\mu$ C) is placed on the x axis at x = -4.0 cm.What is the magnitude of the electric force on a third charge (+2.5 $\mu$ C) placed on the y axis at y = 3.0 cm?

• A)90 N
• B)45 N
• C)54 N
• D)72 N
• E)36 N

---

Definitions:

Substitution Effect

The transformation in purchasing decisions resulting from changes in the relative pricing of goods, compelling consumers to replace one good with another.

Hourly Wage

The amount of money paid to an employee for each hour of work performed.

Markets for Goods

Platforms or venues where goods and services are exchanged between buyers and sellers, determining the prices through the laws of supply and demand.

Households

Units consisting of one or more people living in the same dwelling and sharing meals or living accommodation; they can also be considered as basic units in society for consumption, production, and decision-making.