An Electron with a Speed of 2

question 73

Multiple Choice

An electron with a speed of 2.0 x 10⁶ m/s moves into a uniform electric field of 500 N/C that is parallel to the electron's motion.How long does it take to bring the electron to rest? (m_e = 9.11 x 10^-31 kg,e = 1.6 x 10^-19 C)

• A)2.3 x 10^-8 s
• B)3.5 x10^-8 s
• C)1.2 x 10^-7 s
• D)2.3 x 10^-6 s

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Definitions:

Programmed Problem-solving Methods

Structured and often automated approaches or algorithms designed to address specific types of problems in a systematic way.

Well-structured Problem

A problem that has clear objectives, a known set of possible solutions, and criteria for choosing the best solution.

Well-structured Problem

A problem with clear objectives, known solutions, and definite criteria for evaluating solutions.

Ill-structured Problem

A problem that lacks a clear path to a solution and may not have a definitive answer, often requiring creative or critical thinking to resolve.