An Electron Is Released from Rest at a Distance of 9.00

question 24

Multiple Choice

An electron is released from rest at a distance of 9.00 cm from a proton. If the proton is held in place, how fast will the electron be moving when it is 3.00 cm from the proton? (m_el = 9.11 x 10^-31 kg, e = 1.60 × 10^-19 C, k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C²)

• A) 75.0 m/s
• B) 106 m/s
• C) 130 m/s
• D) 1.06 × 10³ m/s
• E) 4.64 × 10⁵ m/s

---

Definitions:

Technological Change

Innovations or advancements in technology that improve processes, increase efficiency, or create new products or markets.

First-Class Mail

A category of postal service that provides expedited delivery of letters and small packages, often with priority over other mail.

Postal Service

A public or private organization that is responsible for the collection, transportation, and delivery of mail.

Rent-Seeking Activities

Efforts to increase one's share of existing wealth without creating new wealth, often through manipulation or exploitation of the political environment.