(solve fully and use diagrams if needed) 1. Two 30 m long spaceships are flying toward each other. One ship is travelling at 0.30c and the other at 0.42c. What do each of the pilots observe the others ship's length to be? Show all work. 2. The second-order dark angle in a double-slit experiment is 5.4 degrees. Calculate the ratio of the separation of the slits to the wavelength of the light