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Chapter 1
Start Date:
29 Sep 2008 at 08:00 AM
Due Date:
6 Oct 2008 at 11:00 PM
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Chapter 1, Problem 5
Earth is approximately a sphere of radius 6.37 × 106 m. What are (a) its circumference in kilometers, (b) its surface
area in square kilometers, and (c) its volume in cubic kilometers?
(a) Number
Units
(b) Number
Units
(c) Number
Units
Answer a1: significant digits are disabled; the tolerance is +/-5%
Answer b1: significant digits are disabled; the tolerance is +/-5%
Answer c1: significant digits are disabled; the tolerance is +/-5%
Chapter 1, Problem 22 GO
A bottle with a volume of 183 U. S. fluid gallons is filled at the rate of 1.6 g/min. (Water has a density of 1000 kg/m3,
and 1 U.S. fluid gallon = 231 in.3.) In years, how long does the filling take?
Number
Units
Significant digits are disabled; the tolerance is +/-5%
Chapter 1, Problem 45
An astronomical unit (AU) is the average distance of Earth from the Sun, approximately 1.50 × 108 km. The speed of
light is about 3.0 × 108 m/s. Express the speed of light in terms of astronomical units per minute (AU/min).
Number
Units
Significant digits are disabled; the tolerance is +/-5%
Chapter 1, Problem 54
You receive orders to sail due east for 32.8 mi to put your salvage ship directly over a sunken pirate ship. However,
when your divers probe the ocean floor at that location and find no evidence of a ship, you radio back to your source
of information, only to discover that the sailing distance was supposed to be 32.8 nautical miles, not regular miles.
Use the Length table in Appendix D to calculate how far horizontally you are from the pirate ship in kilometers.
Number
Units
Significant digits are disabled; the tolerance is +/-5%
Chapter 1, Problem 60
An old English cookbook carries this recipe for cream of nettle soup: “Boil stock of the following amount: 1
breakfastcup plus 1 teacup plus 6 tablespoons plus 1 dessertspoon. Using gloves, separate nettle tops until you have
0.5 quart; add the tops to the boiling stock. Add 1 tablespoon of cooked rice and 1 saltspoon of salt. Simmer for 15
min.” The following table gives some of the conversions among old (premetric) British measures and among common
(still premetric) U.S. measures. (These measures scream for metrication.) For liquid measures, 1 British teaspoon = 1
U.S. teaspoon. For dry measures, 1 British teaspoon = 2 U.S. teaspoons and 1 British quart = 1 U.S. quart. For both,
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1 quart = 4 cups. In U.S. measures, how much (a) stock (in cups), (b) nettle tops (in cups), (c) rice (in teaspoons),
and (d) salt (in teaspoons) are required in the recipe?
(a) Number
Units
(b) Number
Units
(c) Number
Units
(d) Number
Units
Answer
Answer
Answer
Answer
a1: significant digits are disabled; the tolerance is +/-5%
b1: significant digits are disabled; the tolerance is +/-5%
c1: significant digits are disabled; the tolerance is +/-5%
d1: significant digits are disabled; the tolerance is +/-5%
Test Bank, Question 18
A nanosecond is:
109 s
10–9 s
10–10 s
10–10 s
10–12
Test Bank, Question 26
The number of significant figures in 15.0 is:
1
2
3
4
5
Test Bank, Question 30
Suppose A = BC, where A has the dimensionsL/M and C has the dimensionsL/T. Then B has the dimension:
T/M
L2/TM
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TM/L2
L2T/M
M/L2T
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