11. A star is 40.0 lightyears from Earth (1 lightyear is the distance that light travels in 1 year). (a) How far would you measure this distance to be if you traveled it in a spaceship moving at 1.00 x 108 m/s? (b) How long would the trip last (for you)? [5] 13. Complete the following 239 239 equations:[5] :3sz a 941311 + __ + __ 32 _ F' a + e + v