A Measurement of an Electron's Speed Is $2.0 \times 10 ^ { 6 } \mathrm {~m} / \mathrm { s }$

question 69

Multiple Choice

A measurement of an electron's speed is $2.0 \times 10 ^ { 6 } \mathrm {~m} / \mathrm { s }$ and has an uncertainty of $10 \%$ . What is the minimum uncertainty in the position of the electron? $\left( m _ { \text {electron } } = 9.11 \times 10 ^ { - 31 } \mathrm {~kg} , h = 6.626 \times \right.$ $\left. 10 ^ { - 34 } \mathrm {~J} \cdot \mathrm { s } \right)$

• A) \(4.9 \mathrm {~nm}\)
• B) \(0.58 \mathrm {~nm}\)
• C) \(1.5 \mathrm {~nm}\)
• D) \(0.87 \mathrm {~nm}\)
• E) \(0.29 \mathrm {~nm}\)

Acquaint with the concept of prototypes and how they are used to classify objects and ideas.

Understand different forms of reasoning (deductive, inductive, heuristic) and its impacts on problem solving and theoretical development.

Recognize how cognitive processes such as problem solving and decision-making work.

Grasp the process of hypothesis testing and the formulation of propositions.

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Definitions:

Cost of Goods Sold

An expense measure that reflects the cost of the materials and labor directly tied to the production of goods sold by a company.

Inventory Purchases

The total amount of goods a company buys for the purpose of reselling them during a particular period, often used to replenish stock levels.

Merchandise

Goods that are bought, sold, or traded, often in the context of retail commerce.

Credit Sales

Sales made by a business where the payment is received after the service or product has been delivered.