Quiz07b-s - Quiz 7b Name: Date: Phys224 Spring 2010 Dr. P....

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Unformatted text preview: Quiz 7b Name: Date: Phys224 Spring 2010 Dr. P. Hanlet Concept (3 points each) 1. As a space traveller, your spacecraft breaks down while travelling at a constant velocity of 0 . 2 c relative to a nearby star. While outside repairing the vehicle you view another spacecraft approaching you at 0 . 3 c (in the same direction as your travel relative to the star), so you shine your laser pointer at it to catch the attention of the pilot. Relative to the nearest star, at what speed, will the light from your laser pointer be moving? (a) 0 . 5 10 8 m/s (b) 3 . 10 8 m/s (c) 0 . 1 10 8 m/s (d) 2 . 9 10 8 m/s (e) 2 . 5 10 8 m/s 2. Similar to the example given in class, a train based observer in the S inertial reference frame watches a lightening bolt hit the front of the train at time t . Which equation would be used to compute the time of the event as seen by a ground based observer?...
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This note was uploaded on 04/08/2010 for the course PHYS 224 taught by Professor Hanlet during the Spring '10 term at Illinois Tech.

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Quiz07b-s - Quiz 7b Name: Date: Phys224 Spring 2010 Dr. P....

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