College Physics
OER 2016 Edition
ISBN: 9781947172173
Author: OpenStax
Publisher: OpenStax College
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Chapter 1, Problem 17PE
State how many significant figures are proper in the results of the following calculations: (a)
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How many significant figures are in the following numbers?
(a) 100.0 ± 0.4(b) 4.000 ✕ 106(c) 4.20 ✕ 10-11(d) 0.0060
How many significant figures are in the following numbers?(a) 78.9 ± 0.2 (b) 3.788 x 109 (c) 2.46 x 10-6 (d) 0.005 3
How many significant figures are there in (a) 78.9 ± 0.2, (b)3.788 x 109, (c) 2.46 x1026, (d) 0.003 2
Chapter 1 Solutions
College Physics
Ch. 1 - Models are particularly useful in relativity and...Ch. 1 - How does a model differ from a theory?Ch. 1 - If two different theories describe experimental...Ch. 1 - What determines the validity of a theory?Ch. 1 - Certain criteria must be satisfied if a...Ch. 1 - Can the validity of a model be limited, or must it...Ch. 1 - Classical physics is a good approximation to...Ch. 1 - When is it necessary to use relativistic quantum...Ch. 1 - Can classical physics be used to accurately...Ch. 1 - Identify some advantages of metric units.
Ch. 1 - What is the relationship between the accuracy and...Ch. 1 - Prescriptions for vision correction are given in...Ch. 1 - The speed limit on some interstate highways is...Ch. 1 - A car is traveling at a speed of 33 m/s. (a) What...Ch. 1 - Show that 1.0m/s=3.6Km/h. Hint: Show the explicit...Ch. 1 - American football is played on a 100-yd-long...Ch. 1 - Soccer fields vary in size. A large soccer field...Ch. 1 - What is the height in meters of a person who is 6...Ch. 1 - Mount Everest, at 29,028 feet, is the tallest...Ch. 1 - The speed of sound is measured to be 342 m/s on a...Ch. 1 - Tectonic plates are large segments of the Earth's...Ch. 1 - (a) Refer to Table 1.3 to determine the average...Ch. 1 - Suppose that your bathroom scale reads your mass...Ch. 1 - A good-quality measuring tape can be off by 0.50...Ch. 1 - (a) A car speedometer has a 5.0% uncertainty. What...Ch. 1 - An infant's pulse rate is measured to be 1305...Ch. 1 - (a) Suppose that a person has an average heart...Ch. 1 - A can contains 375 mL of soda. How much is left...Ch. 1 - State how many significant figures are proper in...Ch. 1 - (a) How many significant figures are in the...Ch. 1 - (a) If your speedometer has an uncertainty of 2.0...Ch. 1 - (a) A person's blood pressure is measured to be...Ch. 1 - A person measures his or her heart rate by...Ch. 1 - What is the area of a circle 3.102 cm in diameter?Ch. 1 - If a marathon runner averages 9.5 mi/h, how long...Ch. 1 - A marathon runner completes a 42.188-km course in...Ch. 1 - The sides of a small rectangular box are measured...Ch. 1 - When non-metric units were used in the United...Ch. 1 - The length and width of a rectangular room are...Ch. 1 - A car engine moves a piston with a circular cross...Ch. 1 - How many heartbeats are there in a lifetime?Ch. 1 - A generation is about one-third of a lifetime....Ch. 1 - How many times longer than the mean life of an...Ch. 1 - Calculate the approximate number of atoms in a...Ch. 1 - Approximately how many atoms thick is a cell...Ch. 1 - (a) What fraction of Earth's diameter is the...Ch. 1 - (a) Calculate the number of cells in a hummingbird...Ch. 1 - Assuming one nerve impulse must end before another...
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- In general, when a derived unit becomes complicated (involves too many standard units), what is done?arrow_forwardRoughly how many heartbeats are there in a lifetime?arrow_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_forward
- Perform the following multiplication and division calculations. Give a final answe with the correct number of significant figures: 0.1184×8.00 x 0.0345 (42.4)(15.6) 1.265 (35.56)(1.45) (4.8)(0.56)arrow_forwardThe numbers 2.745 and 2.735 on rounding off to 3 significant figures will give (a) 2.75 and 2.74 (b) 2.74 and 2.73 (c) 2.75 and 2.73 (d) 2.74 and 2.74arrow_forwardIn the calculation of the perimeter of a square measuring:5.0 cm ± .05 cm by 5.0 cm ± .05 cm,What is the ± error on the calculation of the perimeter of the square?arrow_forward
- A student wanted to calculate the radius, r, of the base of a spherical cylinder. The student measured both the volume of the cylinder and its height and obtained the following: Volume, V = (92± 1) cm^3 . Height, h = (11.5 ± 0.1) cm. V = π * (r^2) * h. Calculate the radius of the base of the cylinder.arrow_forwardWhat is the number of significant figures in each of these numbers? (a) 7.676 x 1011 1 X Your response differs from the correct answer by more than 10%. Double check your ca (b) 5 X Your response differs from the correct answer by more than 10%. Double check your c (c) 4.6 x 10-4 0.00626 (d) 635 + 3 yarrow_forwardCarry out the following arithmetic operations. (Enter your answers to the correct number of significant figures.) (a) the sum of the measured values 533, 32.2, 0.80, and 9.0 (b) the product 0.0053 ✕ 396.1 (c) the product 16.10 ✕ ?arrow_forward
- The value of (x-y)dx + xdy, where C' is x² + y² = 2 с (A) T (B) 2π (C) 3л (D) 4πarrow_forwardCalculate the following and express the answer in the proper number of significant figures: (3.245x0.035x9.0023)/(4.076×2.01×42.3)= Next Previousarrow_forwardCarry out the following arithmetic operations. (Enter your answers to the correct number of significant figures.) (a) the sum of the measured values 533, 35.0, 0.80, and 9.0 4.0 (b) the product 0.0053 x 430.5 4.0 (c) the product 17.50 x n 4.00arrow_forward
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