The Figure Shows Two Tiny $5.0 - \mathrm { g }$

question 7

Multiple Choice

The figure shows two tiny $5.0 - \mathrm { g }$ spheres suspended from very light $1.0$ -m-long threads. The spheres repel each other after each one is given the same positive charge and hang at rest when $\theta$ $= 4.1 ^ { \circ }$ . What is the charge on each sphere $? \left( k = 1 / 4 \pi \varepsilon _ { 0 } = 9.0 \times 10 ^ { 9 } \mathrm {~N} \cdot \mathrm { m } ^ { 2 } / \mathrm { C } ^ { 2 } \right)$

• A) \(360 \mathrm { nC }\)
• B) \(89 \mathrm { nC }\)
• C) \(22 \mathrm { nC }\)
• D) \(180 \mathrm { nC }\)
• E) \(45 \mathrm { nC }\)

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Definitions:

Guided Participation

A process where an experienced person helps a learner by engaging in activities together, enabling the learner to become more competent in these activities.

Interacts

Refers to the way entities or individuals act upon or influence each other.

Mentor

An experienced and trusted advisor who guides and supports a less experienced person, often in their career or personal development.

Overimitation

The tendency of children to imitate not just the necessary actions but also the unnecessary actions when learning from adults or peers.