COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 1, Problem 53QAP
To determine
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• Write the GIVEN with their respective symbols and units.
• Do not skip the SOLUTIONS, do it step-by-step with their
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Problem:
To find the distance across a river, a surveyor chooses points A
and B, which are 197 ft apart on one side of the river. She then
chooses a reference point C on the opposite side of the river and
finds that A = 47° and B = 70°. Approximate the distance from A
to C.
а. 207 ft.
b. 217 ft.
c. 278 ft.
d. None of the given
• The light-year (ly) is a unit of distance commonly used in astronomy. It is defined as the distance traveled by light in a vacuum inone year. (a) Express 1 ly in km. (b) Express the speed of light, c, inunits of ly per year. (c) Express the speed of light in feet per nanosecond
1.
Chapter 1 Solutions
COLLEGE PHYSICS
Ch. 1 - Prob. 1QAPCh. 1 - Prob. 2QAPCh. 1 - Prob. 3QAPCh. 1 - Prob. 4QAPCh. 1 - Prob. 5QAPCh. 1 - Prob. 6QAPCh. 1 - Prob. 7QAPCh. 1 - Prob. 8QAPCh. 1 - Prob. 9QAPCh. 1 - Prob. 10QAP
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- • The speed of light is 3*108 m/s (aka 300,000,000 meters per second). What is the speed of light in centimeters per second, kilameters per second, and miles per hour? (Hint: there are roughly 1.6 km per mile and 3600 seconds per hour) Remember to show the math, Google can be used to check your answer, but it is worth no credt without the work shown. If you are having a hard time explaining your math on the computer, you are also welcome to do the work by hand and include a picture of the results. 0O DO 12:53 hp 96 & pedsxpeg 5 6. 8 y karrow_forwardInstructions: • Write the GIVEN with their respective symbols and units. • Do not skip the SOLUTIONS, do it step-by-step with their respective symbols and units Problem: From a boat sailing due north at 16.5 km/h, a wrecked ship K and an observation tower T are observed in a line due east. One hour later the wrecked ship and the tower have bearings S34°40'E and S65°10'E. Find the distance between the wrecked ship and the tower. a. 29.1 km b. 15.8 km c. 37.3 km d. 24.2 kmarrow_forward•11 For about 10 years after the French Revolution, the French government attempted to base measures of time on multiples of ten: One week consisted of 10 days, one day consisted of 10 hours, one hour consisted of 100 minutes, and one minute consisted of 100 seconds. What are the ratios of (a) the French decimal week to the standard week and (b) the French decimal second to the standard second?arrow_forward
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Length contraction: the real explanation; Author: Fermilab;https://www.youtube.com/watch?v=-Poz_95_0RA;License: Standard YouTube License, CC-BY