Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN: 9781133939146
Author: Katz, Debora M.
Publisher: Cengage Learning
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Textbook Question
Chapter 1, Problem 31PQ
Perform the following arithmetic operations, keeping the correct number of significant figures in your answer.
a. The product 56.2 × 0.154
b. The sum 9.8 + 43.4 + 124
c. The quotient 81.340/π
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Problem 3
Give all answers for this problem to 2 significant figures. Convert the following vectors from Cartesian (x,y) to polar (r,θ) form.
a) (4,−6) b) (−5,−1)
Convert the following vectors from polar (r,θ) to Cartesian (x,y) form.
c) (7,165˚) d) (2,250˚)
A number written in scientific notation has the form a × 10%, where 1< a <10 and k is an integer, that is, k is one of
..-3, -2, -1, 0, 1, 2, 3....
Part A
Determine the values of a and k when 299, 790, 000 is written in scientific notation.
Enter a and k, separated by commas.
Ο ΑΣΦ
a.k-3.0,8
?
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Part B
Determine the values of a and k when 0.51 is written in scientific notation.
Enter a and k, separated by commas.
1 ΑΣΦ
a, k =
Submit
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?
▾ Part C
Now consider the expression 4.0 × 103 +4 × 102. Determine the values of a and k when the value of this expression is
written in scientific notation.
Enter a and k, separated by commas.
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a, k =
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ΑΣΦ
?
Problem 4: Significant Figures
A block of gold has length 5.62 cm, width 6.35 cm, and height 2.78 cm.
a. Calculate the base area and round up the answer to the appropriate number of significant
figures.
b. Now multiply the rounded result of part (a) by the height and again round, obtaining the
volume. Let this be ?1.
c. Now obtain volume 2, ?2, by first finding the width times the height, rounding up to
appropriate significant figures, and multiply by the length.
d. Explain why the answers don’t agree with the third significant figure.
Chapter 1 Solutions
Physics for Scientists and Engineers: Foundations and Connections
Ch. 1.5 - To practice using the prefixes in Table 1.1,...Ch. 1.5 - Prob. 1.2CECh. 1.6 - In Einsteins famous equation E = mc2, m stands for...Ch. 1.6 - Prob. 1.4CECh. 1.6 - Prob. 1.5CECh. 1.7 - How many significant figures does each number...Ch. 1.7 - Prob. 1.7CECh. 1 - The average life expectancy in Japan is 81 years....Ch. 1 - If you live in the United States, you probably...Ch. 1 - Prob. 3PQ
Ch. 1 - How many cubic centimeters (cm3) are in one cubic...Ch. 1 - Prob. 5PQCh. 1 - Prob. 6PQCh. 1 - A certain pure 0.9999 gold bullion bar with a mass...Ch. 1 - In Jules Vernes novel, Twenty Thousand Leagues...Ch. 1 - The distance to the Sun is 93 miIlion miles. What...Ch. 1 - A popular unit of measure in the ancient world was...Ch. 1 - CASE STUDY On planet Betatron, mass is measured in...Ch. 1 - Use your weight in pounds to find your mass in...Ch. 1 - A garden snail named Archie, owned by Carl...Ch. 1 - As part of a biology field trip, you have taken an...Ch. 1 - Prob. 15PQCh. 1 - Prob. 16PQCh. 1 - The kilogram Standard is a circular cylinder whose...Ch. 1 - Acceleration a has the dimensions of length per...Ch. 1 - Prob. 19PQCh. 1 - Prob. 20PQCh. 1 - Prob. 21PQCh. 1 - Prob. 22PQCh. 1 - A Later in this book, you will study oscillating...Ch. 1 - Prob. 24PQCh. 1 - Prob. 25PQCh. 1 - Convert 13.7 billion yeans (the age of the...Ch. 1 - How many significant figures does 0.00130 m have?Ch. 1 - A distance with two significant figures divided by...Ch. 1 - Prob. 29PQCh. 1 - Prob. 30PQCh. 1 - Perform the following arithmetic operations,...Ch. 1 - Calculate the result for each of the following...Ch. 1 - Prob. 33PQCh. 1 - In a laboratory, a researcher fails to start a...Ch. 1 - Prob. 35PQCh. 1 - Prob. 36PQCh. 1 - Prob. 37PQCh. 1 - Prob. 39PQCh. 1 - Prob. 41PQCh. 1 - Prob. 43PQCh. 1 - Prob. 44PQCh. 1 - In 2011, artist Hans-Peter Feldmann covered the...Ch. 1 - Prob. 49PQCh. 1 - Convert the following distances into SI units....Ch. 1 - Prob. 51PQCh. 1 - Later in this book, you will learn that sound is a...Ch. 1 - Two decorative spheres are carved from the same...Ch. 1 - Prob. 54PQCh. 1 - Prob. 55PQCh. 1 - Prob. 56PQCh. 1 - During a visit to New York City, Lil decides to...Ch. 1 - Prob. 58PQCh. 1 - You are part of a team in an engineering class...Ch. 1 - Prob. 60PQCh. 1 - A unit of distance used in astronomy is the parsec...
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