An Electron Has a Speed of 0

question 14

Multiple Choice

An electron has a speed of 0.643c. Through what potential difference would the electron need to be accelerated (starting from rest) in order to reach this speed? (c = 3.00 × 10⁸ m/s, e = 1.60 × 10^-19 C, mel = 9.11 × 10^-31 kg)

• A) 160 kV
• B) 130 kV
• C) 180 kV
• D) 200 kV

---

Definitions:

Circumstances

The specific conditions or facts affecting a situation, event, or decision at a certain time.

Evidenced

Evidenced refers to the confirmation or support of a claim, assertion, or fact through the presentation of information, data, or tangible proof.

Purchasers Rights

Legal entitlements or protections that buyers have when they purchase goods or services.

Goods

Physical items that are produced or natural, which can be bought, sold, or traded in the market.