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2) You travel in your ship White Star One at a constant speed of v 0.96*c to the nearby star Proxima Centauri, located 4.2 light years away from Earth. a. From your point of view in the ship, how far is the star from the Earth? b. If your mass is 68 kg, what is your kinetic energy while moving with the ship? c. How long does the journey take, according to clocks on your ship? d. H e. You have a twin back on Earth that was the same ag ow long does the journey take, according to your friends back home on Earth? e as you were when you left. When you travel back to Earth who is older and by how much? 3) You look at the nearby star Alpha Centauri, located approximately 4.13 x 101 m away through a reflecting telescope, consisting of a large concave mirror, a small plane mirror, and a converging lens, as shown. plane meor di d2 f 5.0m f 1.0 m di 3.0m d 1.0 m a) Find and sketch the first, second, and third images of the star and its light rays on the picture above. b) Describe the first, second, and third images of the star c) If this experiment was done on a very cold day (T< 10 F), describe what, if anything, would change.

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