A Very Small Object Carrying -6

question 47

Multiple Choice

A very small object carrying -6.0 μC of charge is attracted to a large, well-anchored, positively charged object. How much kinetic energy does the negatively charged object gain if the potential difference through which it moves is 3.0 mV? (k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C²)

• A) 18 nJ
• B) 0.50 kJ
• C) 0.50 J
• D) 6.0 μJ

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Definitions:

Synthetic Element

An element that is not found naturally on Earth and can only be created artificially in a laboratory or nuclear reactor.

Technetium

A radioactive chemical element with symbol Tc and atomic number 43, noteworthy for being the first element to be artificially produced.

Continuous Spectrum

A type of emission spectrum showing an uninterrupted band of colors from red to violet, typically emitted by an incandescent solid, liquid, or gas under pressure.

Wavelengths

The distance between consecutive peaks (or troughs) in a wave, often used in the context of electromagnetic radiation.