An Electron Is Accelerated from Rest Through a Potential Difference

question 19

Multiple Choice

An electron is accelerated from rest through a potential difference of 50.0 kV. What is the TOTAL energy of the electron? (c = 3.00 × 10⁸ m/s, e = 1.60 × 10^-19 C, m_el = 9.11 × 10^-31 kg)

• A) 8.00 × 10^-15 J
• B) 16.2 × 10^-15 J
• C) 8.20 × 10^-14 J
• D) 9.00 × 10^-14 J
• E) 16.2 × 10^-14 J

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Definitions:

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally and automatically triggers a response without the need for prior learning.

Conditioned Response

A learned reaction to a specific stimulus as a result of repeated exposure, often studied in the context of classical conditioning.

Unconditioned Stimulus

A stimulus that naturally and automatically triggers a response without any prior learning.

Unconditioned Response

The natural, reflexive response elicited by an unconditioned stimulus without prior learning or conditioning.