A Proton Has a Speed of 3

question 20

Multiple Choice

A proton has a speed of 3.0 × 10⁶ m/s in a direction perpendicular to a uniform magnetic field, and the proton moves in a circle of radius 0.20 m. What is the magnitude of the magnetic field?

• A) 0.080 T
• B) 0.16 T
• C) 0.24 T
• D) 0.32 T
• E) 0.36 T

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Definitions:

Target Pricing

Target pricing is a pricing strategy where the selling price is determined by estimating a competitive price in the market and working backward to calculate costs, aiming for a certain profit margin.

Price Cutting

A strategy where a company reduces the prices of its goods or services, often to attract more customers or compete with rivals.

Product Class

A broad category of products that serve a similar function or are marketed in a similar manner but vary in features, quality, and price.

Product Line

A group of related products under a single brand offered by a company, catering to varied customer needs or preferences.