Set 10-Time dilation and Length Contraction

Set 10-Time dilation and Length Contraction - Jessica Ann...

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Unformatted text preview: Jessica Ann Elrod- PHY 232 Spring 2007 1 Set 10 (04/10 midnight) Due date: Tue Apr 10 23:59:00 2007 A clock mechanism at rest has a period of exactly 1 second. When this clock is observed while moving with a speed of 0.82 c, what is its period? Tries 0/12 An intergalactic rock star bangs his drum every 1.10 s. A person on earth measures that the time between beats is 2.70 s. How fast is the rock star moving relative to the earth? Tries 0/12 The Milky Way has a diameter (proper length) of about 1.2 × 10 5 light-years. According to an astronaut, how many years would it take to cross the Milky Way if the speed of the spacecraft is 0.890 c? Tries 0/12 A spaceship is 1600 m long when it is at rest. When it is traveling at a certain constant speed its length is measured by external observers and it is found to be 720 m. What is the speed of the spaceship in terms of the speed of light? Tries 0/12 In the kitchen of the spaceship the chef sets the oven timer for 1.40 hours to make roast beef. How much time does the roast beef spend in the oven when measured by external observers at rest? Tries 0/12 Imagine that a relativistic train travels past your lecture room at a speed of 0.931 c . The passengers of the train claim that when they measure the length of the train using standard...
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This homework help was uploaded on 04/10/2008 for the course PHY 232 taught by Professor Mr.nagy during the Spring '06 term at Michigan State University.

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Set 10-Time dilation and Length Contraction - Jessica Ann...

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