Three Spaceships A,B,and C Are in Motion as Shown in the Figure.The

question 36

Multiple Choice

Three spaceships A,B,and C are in motion as shown in the figure.The commander on ship B observes ship C approaching with a relative velocity of 0.83c.The commander also observes ship A,advancing in the rear,with a relative velocity of 0.48c.As measured by commander on ship B,at what speed is ship A approaching ship C?

• A) 1.3c
• B) 0.94c
• C) 0.25c
• D) 0.58c
• E) 2.2c

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Definitions:

Casting

A process in manufacturing where a liquid material is poured into a mold which contains a hollow cavity of the desired shape and then allowed to solidify.

Assembly

The process of putting together various components or materials to create a finished product.

Predetermined Overhead Rates

An estimated rate used to allocate manufacturing overhead costs to individual products or job orders based on a chosen activity base.

Machine-Hours

A measure of production time, reflecting the total hours machines are operated in the manufacturing process.