Three Spaceships A, B, and C Are in Motion as Shown

question 8

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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