21ST CENTURY ASTR.:STARS..(LL)-PACKAGE
6th Edition
ISBN: 9780393448450
Author: Kay
Publisher: NORTON
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Chapter 18, Problem 3QP
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What happens when observations include velocities close to light speed?To move an object, Newton's second law of motion applies: F = ma.b. Newton's second law of motion, F = ma, no longer applies.c. Such velocities are not calculable.d. N/A
2. The speed of light in a vacuum is c = 3 × 10 8 m / s, and the distance from the Earth to the Sun is R ≈ 150 × 10 6 km .
a. A light-minute is the distance that light travels in 1 minute. What is a light minute in meters?
b. Express the Earth-Sun distance R in terms of light-minutes.
c. How much time does it take for light to travel from the Sun to the Earth?
3. (1.39) Tectonic plates are large segments of Earth's crust that move slowly. Suppose a plate has average speed of v = 4.0 cm / year .
a. What distance does the plate move in 1.0 s?
b. Express the speed v in km/million year .
3. A source emits a red light with a wavelength of 675 [nm]. If you want the
light to appear green with a wavelength of 547 [nm] in your reference frame, what should
be your velocity relative to the source?
A. 0.105 towards the source
B. 0.105 away from the source
C. 0.207 away from the source
D. 0.207 towards the source
Chapter 18 Solutions
21ST CENTURY ASTR.:STARS..(LL)-PACKAGE
Ch. 18.1 - Prob. 18.1CYUCh. 18.2 - Prob. 18.2CYUCh. 18.3 - Prob. 18.3CYUCh. 18.4 - Prob. 18.4CYUCh. 18 - Prob. 1QPCh. 18 - Prob. 2QPCh. 18 - Prob. 3QPCh. 18 - Prob. 4QPCh. 18 - Prob. 5QPCh. 18 - Prob. 6QP
Ch. 18 - Prob. 7QPCh. 18 - Prob. 8QPCh. 18 - Prob. 9QPCh. 18 - Prob. 10QPCh. 18 - Prob. 11QPCh. 18 - Prob. 12QPCh. 18 - Prob. 13QPCh. 18 - Prob. 14QPCh. 18 - Prob. 15QPCh. 18 - Prob. 16QPCh. 18 - Prob. 17QPCh. 18 - Prob. 18QPCh. 18 - Prob. 19QPCh. 18 - Prob. 20QPCh. 18 - Prob. 21QPCh. 18 - Prob. 22QPCh. 18 - Prob. 23QPCh. 18 - Prob. 24QPCh. 18 - Prob. 25QPCh. 18 - Prob. 26QPCh. 18 - Prob. 27QPCh. 18 - Prob. 28QPCh. 18 - Prob. 29QPCh. 18 - Prob. 30QPCh. 18 - Prob. 31QPCh. 18 - Prob. 32QPCh. 18 - Prob. 33QPCh. 18 - Prob. 34QPCh. 18 - Prob. 35QPCh. 18 - Prob. 36QPCh. 18 - Prob. 37QPCh. 18 - Prob. 38QPCh. 18 - Prob. 39QPCh. 18 - Prob. 40QPCh. 18 - Prob. 41QPCh. 18 - Prob. 42QPCh. 18 - Prob. 43QPCh. 18 - Prob. 44QPCh. 18 - Prob. 45QP
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