In their common rest frame,two stars are 90.0 light-years (ly)apart.If they are apart as measured by the navigator in a spaceship traveling between them,how fast is the spaceship moving? Express your answer in terms of c.
A) 0.991c
B) 0.986c
C) 0.980c
D) 0.972c

Question

In their common rest frame,two stars are 90.0 light-years (ly)apart.If they are  apart as measured by the navigator in a spaceship traveling between them,how fast is the spaceship moving? Express your answer in terms of c.
A) 0.991c 
B) 0.986c 
C) 0.980c 
D) 0.972c

Quizplus · Accepted Answer

The Answer of In their common rest frame,two stars are 90.0 light-years (ly)apart.If they are  apart as measured by the navigator in a spaceship traveling between them,how fast is the spaceship moving? Express your answer in terms of c.
A) 0.991c 
B) 0.986c 
C) 0.980c 
D) 0.972c

In Their Common Rest Frame,two Stars Are 90