Part A  

How fast, relative to an observer, does an Empire ship have to travel for its markings to be confused with those of a Federation ship? Use for the speed of light in a vacuum. 
The starships of the Solar Federation are marked with the symbol of the Federation, a circle, whereas starships of the Denebian Empire are marked with the Empire's symbol, an ellipse whose major axis is times its minor axis
Express your answer in terms of and .
ANSWER: 


how???
ReplyDeleteYeah I couldn't follow the Hints either.. how do you reach that answer? :^)
ReplyDeleteb = nb sqrt(1u^2 / c^2)
ReplyDelete1 = n sqrt(1u^2 / c^2)
1/n = sqrt(1u^2 / c^2)
1/n^2 = 1u^2 / c^2
u^2 / c^2 = 1  1/n^2
u/c = sqrt(1  1/n^2)
u = c*sqrt(1  1/n^2)