1.The Curiosity Rover has recently landed on Mars and likes to send Twitter updates on its progress. If a tweet is posted 13 minutes after it was sent, how far is Curiosity from Earth? (Assume there is no network lag.)
1.The Curiosity Rover has recently landed on Mars and likes to send Twitter updates on its progress. If a tweet is posted 13 minutes after it was sent, how far is Curiosity from Earth? (Assume there is no network lag.)
______________ m
2.You've entered the Great Space Race. Your engines are hearty enough to keep you in second place. While racing, the person in front of you begins to have engine troubles and turns on his emergency lights that emit at a frequency of 5.720 1014 Hz. If the person in front of you is traveling 2692 km/s faster than you when he turns on his lights, what is the frequency of the emergency lights that you observe when it reaches you in your spaceship? (Enter your answer to four significant figures.)
___________Hz
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