Two Rockets, a and B, Approach Each Other as Shown

question 11

Multiple Choice

Two rockets, A and B, approach each other as shown in the figure. A travels to the right at 0.7c while B travels to the left at 0.8c. Both speed measurements are made relative to an inertial observer.
-Determine the speed of A relative to B.

• A)c
• B)0.96c
• C)0.92c
• D)0.89c
• E)0.86c

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Definitions:

Variable Expenses

Costs that change in proportion to the activity of a business.

Break-Even Point

The point at which total revenues equal total costs, indicating no net loss or gain, and where a business starts to generate profit with any additional sales.

Automated Equipment

Automated equipment consists of machinery and tools that operate with minimal human intervention, often used in manufacturing to increase efficiency and reduce labor costs.

Break-Even Point

The level of sales or production at which a business's revenues equal its expenses, resulting in neither profit nor loss.