$\mathrm { A } + 5.0 - \mu \mathrm { C }$

question 55

Multiple Choice

$\mathrm { A } + 5.0 - \mu \mathrm { C }$ point charge is placed at the $0 \mathrm {~cm}$ mark of a meter stick and a $- 4.0 - \mu \mathrm { C }$ charge is placed at the $50 \mathrm {~cm}$ mark. What is the net electric field at the $30 \mathrm {~cm}$ mark? $\left( k = 1 / 4 \pi \varepsilon _ { 0 } = 8.99 \times 10 ^ { 9 } \mathrm {~N} \right.$ . $m ^ { 2 } / C ^ { 2 }$ )

• A) \(1.4 \times 10 ^ { 6 } \mathrm {~N} / \mathrm { C }\)
• B) \(5.0 \times 10 ^ { 5 } \mathrm {~N} / \mathrm { C }\)
• C) \(4.0 \times 10 ^ { 5 } \mathrm {~N} / \mathrm { C }\)
• D) \(9.0 \times 10 ^ { 5 } \mathrm {~N} / \mathrm { C }\)

---

Definitions:

Relations

The ways in which two or more concepts, objects, or people are connected; a particular way in which someone or something is related or connected to something else.

Analogy Problems

Logical puzzles or questions that require solving by finding relationships between pairs of words, ideas, or situations.

Mental Set

The inclination to approach situations with a predetermined framework of understanding, often based on former experiences, that could potentially limit novel solutions.

Functional Fixedness

A mental bias that restricts an individual to utilizing an item solely in its conventional manner, impeding creativity and the ability to solve problems.