A 40-G Bead Carries a Charge Of Of 20 $20 \mu \mathrm { C }$

question 44

Multiple Choice

A 4.0-g bead carries a charge of $20 \mu \mathrm { C }$ . The bead is accelerated from rest through a potential difference $V$ , and afterward the bead is moving at $2.0 \mathrm {~m} / \mathrm { s }$ . What is the magnitude of the potential difference $V$ ?

• A) \(800 \mathrm {~V}\)
• B) \(200 \mathrm {~V}\)
• C) \(800 \mathrm { kV }\)
• D) \(400 \mathrm { kV }\)
• E) \(400 \mathrm {~V}\)

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Definitions:

Tolerance

The process by which the body becomes less responsive to a substance (such as a drug) or a stimulus after repeated exposure.

Resistance

The refusal to accept or comply with something; the attempt to prevent something by action or argument.

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A reduction in the ability to remember information or events, which can be temporary or permanent.

Marijuana

A psychoactive drug from the Cannabis plant used for medical or recreational purposes.