Quiz7 - 1 of 1 Comments: 2. Question: How far is it to...

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Quiz # 7 Physics 230 Prof. Hadley 1. Question: NOTE: For the following questions, pay attention to sig figs and use the following constants and conversions: Speed of light: c = 3.00 X 10 8 m/s. 1 kW hr = 3.60 X 106 J THE PROBLEM: You are travelling at v = 0.995c toward the star Sirius which is 10.0 light years (l.y.) from earth. Your spaceship has a rest mass of 15,000 kg. Answer the following questions: What is the speed of the spaceship in m/s? Your Answer: 2.99 X 10 8 CORRECT 2.98 X 10 8   2.97 X 10 8   3.0 X 10 8   none of the above Points Received:
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Unformatted text preview: 1 of 1 Comments: 2. Question: How far is it to Sirius for you in the spaceship to the nearest l.y.? Your Answer: Points Received: 1 of 1 Comments: 3. Question: How long does it take you to get to Sirius and back to the nearest year? Your Answer: Points Received: 1 of 1 Comments: 4. Question: How much time goes by on earth as you go out and back to the nearest year? Your Answer: Points Received: 1 of 1 Comments: 5. Question: What is the kinetic energy of your spaceship in kW hrs to two sig figs? Your Answer:...
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This note was uploaded on 03/16/2008 for the course PHYS 230 taught by Professor Hadley during the Spring '08 term at UCLA.

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Quiz7 - 1 of 1 Comments: 2. Question: How far is it to...

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