COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 1, Problem 40QAP
To determine
(a)
Solving the given operation using correct number of significant figures.
To determine
(b)
Solving the given operation using correct number of significant figures.
To determine
(c)
Solving the given operation using correct number of significant figures.
To determine
(d)
Solving the given operation using correct number of significant figures.
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Which one of the choices below represents the preferred practice regarding significant figures when
multiplying the following: 15.0 x 5.6 x 2.33?
Select one:
а. 200
b. 196
O c. 195.720
O d. 195.72
e. 195.7
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
Request Answer
?
▾ 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.
▸ View Available Hint(s)
a, k =
Submit
ΑΣΦ
?
Determine the values of I, and I, that satisfy the following two equations.
9.05 + 3.50/, - 2.90/, = 0 and -2.25/, + 1, = 0.
(a) 1 =
A
(b) 12 =
A
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
Ch. 1 - Prob. 11QAPCh. 1 - Prob. 12QAPCh. 1 - Prob. 13QAPCh. 1 - Prob. 14QAPCh. 1 - Prob. 15QAPCh. 1 - Prob. 16QAPCh. 1 - Prob. 17QAPCh. 1 - Prob. 18QAPCh. 1 - Prob. 19QAPCh. 1 - Prob. 20QAPCh. 1 - Prob. 21QAPCh. 1 - Prob. 22QAPCh. 1 - Prob. 23QAPCh. 1 - Prob. 24QAPCh. 1 - Prob. 25QAPCh. 1 - Prob. 26QAPCh. 1 - Prob. 27QAPCh. 1 - Prob. 28QAPCh. 1 - Prob. 29QAPCh. 1 - Prob. 30QAPCh. 1 - Prob. 31QAPCh. 1 - Prob. 32QAPCh. 1 - Prob. 33QAPCh. 1 - Prob. 34QAPCh. 1 - Prob. 35QAPCh. 1 - Prob. 36QAPCh. 1 - Prob. 37QAPCh. 1 - Prob. 38QAPCh. 1 - Prob. 39QAPCh. 1 - Prob. 40QAPCh. 1 - Prob. 41QAPCh. 1 - Prob. 42QAPCh. 1 - Prob. 43QAPCh. 1 - Prob. 44QAPCh. 1 - Prob. 45QAPCh. 1 - Prob. 46QAPCh. 1 - Prob. 47QAPCh. 1 - Prob. 48QAPCh. 1 - Prob. 49QAPCh. 1 - Prob. 50QAPCh. 1 - Prob. 51QAPCh. 1 - Prob. 52QAPCh. 1 - Prob. 53QAPCh. 1 - Prob. 54QAPCh. 1 - Prob. 55QAP
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- The polar coordinates of a point are r = 5.50 m and = 240. What are the Cartesian coordinates of this point?arrow_forward(a) How many significant figures are in the numbers 99 and 100? (b) If the uncertainty in each number is 1, what is the percent uncertainty in each? (c) Which is a more meaningful way to express the accuracy of these two numbers, significant figures or percent uncertainties?arrow_forwardA skater glides along a circular path of radius 5.00 m in clockwise direction. ‘When he coasts around one- half of the circle, starting from the west point, find (a) the magnitude of his displacement vector and (b) how far he actually skated. (c) What is the magnitude of his displacement vector when he skates all the way around the circle and comes back to the west point?arrow_forward
- In Figure P1.49, find (a) the side opposite , (b) the side adjacent to . (c) cos , (d) sin , and (c) tan . Figure P1.49arrow_forward(a) If your speedometer has an uncertainty of 2.0 km/h at a speed of 90 km/h, what is the percent uncertainty? (b) If it has the same percent uncertainty when it reads 60 km/h, what is the range of speeds you could be going?arrow_forwardIf you live in the United States, you probably know your height in feet and inches. In other countries, metric units are commonly used for measuring such quantities. First, find your height in inches. Then determine your height in a. centimetens and b. metersarrow_forward
- A surveyor measures the distance across a straight river by the following method (Fig. P1.6). Starting directly across from a tree on the opposite bank, she walks d = 100 m along the riverbank to establish a baseline. Then she sights across to the tree. The angle from her baseline to the tree is 0 = 35.0. How wide is the river? Figure P1.6arrow_forwardUse the rules for significant figures to find the answer to the addition problem 21.4 + 15 + 17.17 + 4.003. (See Section 1.4).arrow_forwardWhich of the following is/are NOT acceptable if a and b are two quantities with distinct dimensions? (There may be many right answers.) Choices:a. a x bb. a / bc. a - bd. a + barrow_forward
- 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˚)arrow_forward58. In the SI system the unit of force, the Newton, is a derived unit. True False 59. The meter, second, and kilogram are derived units. True False 60. Cartesian vector analysis is often used to solve problems in three dimensions. True False 61. The positive directions of the x, y, z axes are defined by the Cartesian unit vectors j. ki respectively. True False 62. The magnitude of a Cartesian vector is equal to the positive square root of the sum of the squares of its components. True Falsearrow_forwardQuestion No. 1 A physical quantity is measured and its value is found to be equal to nu, where n is the numerical value and u is the unit. Which of the following relations is true? O nxu? .2 O nxu O nx vũarrow_forward
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