Recent content by chloeid

If I do this then I get a speed bigger than C! Ah thank you so much! I set c to 1 and got the right answer :)

As t' is 2.5 years and x is 6 light years I substituted them into the equation :)

Homework Statement I'm currently working through the following question: "A spaceship travels from Earth to the vicinity of the star that is measured by astronomers on Earth to be six light-years away. The spaceship and its occupants have a total rest mass of 32 000 kg. Assume that the...