An Electron Is Sent at High Speed Toward a Gold

question 9

Multiple Choice

An electron is sent at high speed toward a gold nucleus (charge +79e) .What is the electrical force acting on the electron when it is 3.0 × 10−¹³ m away from the gold nucleus? (e = 1.6 × 10−¹⁹ C,k_e = 8.99 × 10⁹ N·m²/C²)

• A) 2.1 × 10−⁶ N
• B) 2.0 × 10−⁴ N
• C) 0.20 N
• D) 20 N

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Definitions:

Value Engineering

A systematic method to improve the "value" of goods or products and services by using an examination of function.

Product Design

The process of creating a new product to be sold by a business to its customers, involving concept development, solution sketching, prototyping, and testing.

Value Analysis

A methodical approach to identify and eliminate unnecessary costs in product design and manufacturing without sacrificing functionality or quality.

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