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 0.82c. The commander also observes ship A, advancing in the rear, with a relative velocity of 0.50c. What is the speed of ship C as measured by the captain of ship A?
A)0.94c
B)0.23c
C)2.2c
D)0.54c
E)1.3c

Question

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 0.82c. The commander also observes ship A, advancing in the rear, with a relative velocity of 0.50c. What is the speed of ship C as measured by the captain of ship A? 
A)0.94c 
B)0.23c 
C)2.2c 
D)0.54c 
E)1.3c

Quizplus · Accepted Answer

The Answer of 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 0.82c. The commander also observes ship A, advancing in the rear, with a relative velocity of 0.50c. What is the speed of ship C as measured by the captain of ship A? 
A)0.94c 
B)0.23c 
C)2.2c 
D)0.54c 
E)1.3c

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