Homework_14

# Homework_14 - toupal(rgt374 – Homework 14 – Chiu...

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Unformatted text preview: toupal (rgt374) – Homework 14 – Chiu – (58295) 1 This print-out should have 21 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 (part 1 of 2) 10.0 points Suppose rocket A which has guns in front and back, 41 m apart, is traveling at 92% the speed of light relative to rocket ship B which is much larger. Ship ' B ' Ship ' A ' v rel d How far apart do the guns appear to be to someone in ship B ? 1. 14 . 0687 m 2. 41 m 3. 3 . 28 m 4. 34 . 7024 m 5. 4 . 01716 m 6. 6 . 2976 m 7. 8 . 03433 m 8. 16 . 0687 m 9. 1 . 52652 m 10. 104 . 614 m 002 (part 2 of 2) 10.0 points If the captain of ship A fires his two guns simultaneously, how far apart are the two holes in ship B ? 1. 104 . 614 m 2. 3 . 28 m 3. 6 . 2976 m 4. 41 m 5. 34 . 7024 m 6. 8 . 03433 m 7. 14 . 0687 m 8. 16 . 0687 m 9. 1 . 52652 m 10. 4 . 01716 m 003 (part 1 of 2) 10.0 points Two firecrackers explode at the same place in a rest frame with a time separation of 16 s in that frame. Find the time between explosions according to classical physics, as measured in a frame moving with a speed 0 . 6 c with respect to the rest frame. Answer in units of s. 004 (part 2 of 2) 10.0 points Find the time between explosions according to the special theory of relativity, as measured in a frame moving with a speed 0 . 6 c with respect to the rest frame. Answer in units of s. 005 (part 1 of 3) 10.0 points The average lifetime of a pi meson in its own frame of reference ( i.e. , the proper lifetime) is 2 . 6 × 10 − 8 s....
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Homework_14 - toupal(rgt374 – Homework 14 – Chiu...

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