|
|
Question
A spaceship visits Alpha Centauri and returns to Earth. Alpha Centauri is 4.5 light-years from Earth (our second closest star). The spaceship travels at one-half the speed of light for essentially all of its expedition.
(a) How long was the ship gone according to an observer on the Earth? (b) How long was the ship gone according to an observer on the spaceship? Answer
15
Seconds
Thank you
Add Comment
|
Explore
Post your homework questions and get free online help from our incredible volunteers
1121 People Browsing
119 Signed Up Today
Your Opinion
The Toxic Skin and Fungi Defense
Courses by Biology Forums
Strange Ingredients Lurking in Doritos Chips
Bonobos, Chimpanzees, and the 98% DNA Link
It's sore throat season, why does my mucus have red spots?
|
