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

Identify how intelligence is measured and compared across individuals.

Understand the distinction between declarative (explicit) and nondeclarative (implicit) memory.

Identify and describe strategies for enhancing memory, including maintenance and elaborative rehearsal.

Recognize the limitations and potentials for error in eyewitness testimony and memory recall.