Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)
4th Edition
ISBN: 9780133942651
Author: Randall D. Knight (Professor Emeritus)
Publisher: PEARSON
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Textbook Question
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Chapter 1, Problem 1CQ

How many significant figures does each of the following numbers have?
a. 0.73 b. 7.30 c. 73 d. 0.073

Expert Solution
Check Mark
To determine

How many significant figures does each of the following numbers have?

a) 0.73; b) 7.30; c) 73; d) 0.073

Explanation of Solution

a) Two (2) significant figures; b) Three (3) significant figures; c) Two (2) significant figures; d) Two (2) significant figures.

Expert Solution
Check Mark
To determine

Section 1:

How many significant figures does the following number have? a) 0.73

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 0.73.

For the number 0.73 we have two significant figures, this is because the number zero (0) on the left of the number 73 is not a significant digit.

Expert Solution
Check Mark
To determine

Section 2:

How many significant figures does the following number have? b) 7.30

Answer to Problem 1CQ

Solution:

Three (3) significant figures.

Explanation of Solution

Given info:

The number is 7.30.

For the number 7.30 we have three significant figures, this is because the number zero on the right is a significant digit too.

Expert Solution
Check Mark
To determine

Section 3:

How many significant figures does the following number have? c) 73

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 73.

In this case we have two significant figures, exact digits or digits without decimal are all significant.

Expert Solution
Check Mark
To determine

Section 4:

How many significant figures does the following number have? d) 0.073

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 0.073.

For the number 0.073 we have two significant figures, this is because the zeros (0) on the left of the number 73 are not significant digits.

Conclusion:

a) Two (2) significant figures; b) Three (3) significant figures; c) Two (2) significant figures; d) Two (2) significant figures.

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Chapter 1 Solutions

Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)

Ch. 1 - You are watching a jet ski race. A racer speeds up...Ch. 1 - a. Write a paragraph describing the particle...Ch. 1 - You drop a soccer ball from your third-story...Ch. 1 - A baseball player starts running to the left to...Ch. 1 - A softball player slides into second base. Use the...Ch. 1 - a. FIGURE EX1.8 shows the first three points of a...Ch. 1 - FIGURE EX1.9 shows five points of a motion...Ch. 1 - FIGURE EX1.10 shows two dots of a motion diagram...Ch. 1 - FIGURE EX1.11 shows two dots of a motion diagram...Ch. 1 - A speed skater accelerates from rest and then...Ch. 1 - A car travels to the left at a steady speed for a...Ch. 1 - A goose flies toward a pond. It lands on the water...Ch. 1 - You use a long rubber band to launch a paper wad...Ch. 1 - A roof tile falls straight down from a two-story...Ch. 1 - Your roommate drops a tennis ball from a...Ch. 1 - 18. FIGURE EX1.18 shows the motion diagram of a...Ch. 1 - Prob. 19EAPCh. 1 - Prob. 20EAPCh. 1 - Draw a pictorial representation for the following...Ch. 1 - Draw a pictorial representation for the following...Ch. 1 - How many significant figures are there in the...Ch. 1 - Convert the following to SI units: a. 8.0 in b. 66...Ch. 1 - Convert the following to SI units: a. 75 in b....Ch. 1 - Using the approximate conversion factors in Table...Ch. 1 - Using the approximate conversion factors in Table...Ch. 1 - Prob. 28EAPCh. 1 - Prob. 29EAPCh. 1 - Prob. 30EAPCh. 1 - Estimate the height of a telephone pole. Give your...Ch. 1 - Estimate the average speed with which the hair on...Ch. 1 - Motor neurons in mammals transmit signals from the...Ch. 1 - For Problems 34 through 43, draw a complete...Ch. 1 - For Problems 34 through 43, draw a complete...Ch. 1 - For Problems 34 through 43, draw a complete...Ch. 1 - For Problems 34 through 43, draw a complete...Ch. 1 - For Problems 34 through 43, draw a complete...Ch. 1 - For Problems 34 through 43, draw a complete...Ch. 1 - For Problems 34 through 43, draw a complete...Ch. 1 - For Problems 34 through 43, draw a complete...Ch. 1 - For Problems 34 through 43, draw a complete...Ch. 1 - For Problems 34 through 43, draw a complete...Ch. 1 - Problems 44 through 48 show a motion diagram. For...Ch. 1 - Problems 44 through 48 show a motion diagram. For...Ch. 1 - Problems 44 through 48 show a motion diagram. For...Ch. 1 - Problems 44 through 48 show a motion diagram. For...Ch. 1 - Problems 44 through 48 show a motion diagram. For...Ch. 1 - Problems 49 through 52 show a partial motion...Ch. 1 - Problems 49 through 52 show a partial motion...Ch. 1 - Problems 49 through 52 show a partial motion...Ch. 1 - Problems 49 through 52 show a partial motion...Ch. 1 - Prob. 53EAPCh. 1 - As an architect, you are designing a new house. A...Ch. 1 - 55. A 5.4-cm-diameter cylinder has a length of...Ch. 1 - An intravenous saline drip has 9.0 g of sodium...Ch. 1 - Prob. 57EAPCh. 1 - FIGURE P1.58 shows a motion diagram of a car...Ch. 1 - Write a short description of a real object for...Ch. 1 - Write a short description of a real object for...
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