The $\vec { E }$ Field at a Point 2

question 142

Multiple Choice

The $\vec { E }$ field at a point 2.8 cm from a small object points toward the object and is equal to 180,000 N/C.What is the object's charge q? (k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C²)

• A)-16 nC
• B)+16 nC
• C)-17 nC
• D)+17 nC

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Definitions:

Elaborative Rehearsal

Association of new information with already stored knowledge and analysis of the new information to make it memorable.

Maintenance Rehearsal

A cognitive process involving the repetition of information to keep it within working memory or to store it in short-term and eventually long-term memory.

Long-term Potentiation

A process involving the strengthening of synapses based on recent patterns of activity, which plays a key role in the formation of memories.

Associating New Items

The cognitive process of linking new information with existing knowledge.