m2Gdb5tZAa5x_1210016923_jwk572

m2Gdb5tZAa5x_1210016923_jwk572 - at 0 . 8 c , sends a drone...

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inclasstest 11 – KIM, JI – Due: Apr 28 2008, 1:00 pm 1 Question 1, chap -1, sect -1. part 1 of 1 1 points This is a question for showing your atten- dance. Please choose the correct answer be- low, or you will lose 25% of this weekly test. 1. This is the correct answer. correct 2. This is the wrong answer. Explanation: It is correct because the choice does not lie. Question 2, chap 36, sect 5. part 1 of 1 3 points The starship Enterprise, passing the Earth
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Unformatted text preview: at 0 . 8 c , sends a drone ship forward at 0 . 5 c relative to the Enterprise. What is the drones speed relative to the Earth? (Where, c is the speed of light) Correct answer: 0 . 928571. Explanation: Let : v 1 = 0 . 8 c and v 2 = 0 . 5 c The speed of the drone is v = v 1 + v 2 1 + v 1 v 2 c 2 = . 8 c + 0 . 5 c 1 + . 8 c * . 5 c c 2 = . 928571 c ....
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This note was uploaded on 05/05/2008 for the course PHY 303L taught by Professor Turner during the Spring '08 term at University of Texas at Austin.

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