Hydraulic engineers in the United States often use, as a unit of volume of water, the acre-foot, defined as the volume of water that will cover 1 acre of land to a depth of 1 ft. A severe thunderstorm dumped 2.0 in. of rain in 30 min on a town of area \(26 \ \mathrm{km}^{2}\). What volume of water, in acre-feet, fell on the town?

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Title Fundamentals of Physics 12

Author David Halliday, Robert Resnick, Jearl Walker

ISBN 9781119801122

Hydraulic engineers in the United States often use, as a unit of volume of water, the acre-foot, defined as the volume of water that will cover 1 acre of land to a depth of 1 ft. A severe thunderstorm dumped 2.0 in. of rain in 30 min on a town of area \(26 \ \mathrm{km}^2\) . What volume of water, in acre-feet, fell on the town?

Chapter 1.1 textbook questions

Chapter 1: Problem 1 Fundamentals of Physics 12
Earth is approximately a sphere of radius \(6.37 \times 10^6 \ \mathrm{m}\). What are (a) its circumference in kilometers, (b) its surface area in square kilometers, and (c) its volume in cubic kilometers?
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Chapter 1: Problem 2 Fundamentals of Physics 12
A gry is an old English measure for length, defined as 1/10 of a line, where line is another old English measure for length, defined as 1/12 inch. A common measure for length in the publishing business is a point, defined as 1/72 inch. What is an area of \(0.50 \ \mathrm{gry}^2\) in points squared (\(\text{points}^2\) )?
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Chapter 1: Problem 3 Fundamentals of Physics 12
The micrometer \(\left(1 \ \mu \mathrm{m}\right)\) is often called the micron. (a) How many microns make up 1.0 km? (b) What fraction of a centimeter equals \(1.0 \ \mu \mathrm{m}\)? (c) How many microns are in 1.0 yd?
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Chapter 1: Problem 4 Fundamentals of Physics 12
Spacing in this book was generally done in units of points and picas: 12 points = 1 pica, and 6 picas = 1 inch. If a figure was misplaced in the page proofs by 0.80 cm, what was the misplacement in (a) picas and (b) points?
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Chapter 1: Problem 5 Fundamentals of Physics 12
Horses are to race over a certain English meadow for a distance of 4.0 furlongs. What is the race distance in (a) rods and (b) chains? (1 furlong = 201.168 m, 1 rod = 5.0292 m, and 1 chain = 20.117 m.)
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Chapter 1: Problem 6 Fundamentals of Physics 12
You can easily convert common units and measures electronically, but you still should be able to use a conversion table, such as those in Appendix D. Table 1.1 is part of a conversion table for a system of volume measures once common in Spain; a volume of 1 fanega is equivalent to \(55.501 \ \mathrm{dm}^3\) (cubic decimeters). To complete the table, what numbers (to three significant figures) should be entered in (a) the cahiz column, (b) the fanega column, (c) the cuartilla column, and (d) the almude column, starting with the top blank? Express 7.00 almudes in (e) medios, (f) cahizes, and (g) cubic centimeters (\(\mathrm{cm}^3\) ).
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Chapter 1: Problem 7 Fundamentals of Physics 12
Hydraulic engineers in the United States often use, as a unit of volume of water, the acre-foot, defined as the volume of water that will cover 1 acre of land to a depth of 1 ft. A severe thunderstorm dumped 2.0 in. of rain in 30 min on a town of area \(26 \ \mathrm{km}^2\) . What volume of water, in acre-feet, fell on the town?
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Chapter 1: Problem 8 Fundamentals of Physics 12
Harvard Bridge, which connects MIT with its fraternities across the Charles River, has a length of 364.4 Smoots plus one ear. The unit of one Smoot is based on the length of Oliver Reed Smoot, Jr., class of 1962, who was carried or dragged length by length across the bridge so that other pledge members of the Lambda Chi Alpha fraternity could mark off (with paint) 1-Smoot lengths along the bridge. The marks have been repainted biannually by fraternity pledges since the initial measurement, usually during times of traffic congestion so that the police cannot easily interfere. (Presumably, the police were originally upset because the Smoot is not an SI base unit, but these days they seem to have accepted the unit.) Figure 1.1 shows three parallel paths, measured in Smoots (S), Willies (W), and Zeldas (Z). What is the length of 50.0 Smoots in (a) Willies and (b) Zeldas?
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Chapter 1: Problem 9 Fundamentals of Physics 12
Antarctica is roughly semicircular, with a radius of 2000 km (Fig. 1.2). The average thickness of its ice cover is 3000 m. How many cubic centimeters of ice does Antarctica contain? (Ignore the curvature of Earth.)
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