An Earth observer sees a spaceship at an altitude of 920 m moving downward toward the Earth at a speed of 0.690c.What is the spaceship's altitude as measured by an observer in the spaceship?
A)1270 m
B)512 m
C)1650 m
D)666 m
E)635 m

Question

An Earth observer sees a spaceship at an altitude of 920 m moving downward toward the Earth at a speed of 0.690c.What is the spaceship's altitude as measured by an observer in the spaceship?
A)1270 m
B)512 m
C)1650 m
D)666 m
E)​635 m

Quizplus · Accepted Answer

The Answer of An Earth observer sees a spaceship at an altitude of 920 m moving downward toward the Earth at a speed of 0.690c.What is the spaceship's altitude as measured by an observer in the spaceship?
A)1270 m
B)512 m
C)1650 m
D)666 m
E)​635 m

An Earth Observer Sees a Spaceship at an Altitude of 920