Physics for Scientists and Engineers
10th Edition
ISBN: 9781337553278
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 1, Problem 21P
The tropical year, the time interval from one vernal equinox to the next vernal equinox, is the basis for our calendar. It contains 365.242 199 days. Find the number of seconds in a tropical year.
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The tropical year, the time interval from one vernal equinox to the next vernal equinox, is the basis for our calendar. It contains 365.242 199 days. Find the number of seconds in a tropical year.
Until 1883, every city and town in the United States kept its own local time. Today, travelers reset their watches only when the time change equals 1.0 h. How far, on the average, must you travel in degrees of longitude until your watch must be reset by 10 hours? (Hint: Earth rotates 360° in about 24 h.)
How many years are there in 1.00 second? Assume an ordinary year. Consider 3
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Chapter 1 Solutions
Physics for Scientists and Engineers
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- Use 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_forwardUntil 1883, every city and town in the United States kept its own local time. Today, travelers reset their watches only when the time change equals 1.0 h. How far, on the average, must you travel in degrees of longitude between the time-zone boundaries at which your watch must be reset by 1.0 h? (Hint: Earth rotates 360° in about 24 h.)arrow_forwardA useful and easy-to-remember approximate value for the number of seconds in a year is A x 10's. Determine the percent error in this approximate value given that there are 365.24 days in a year (the 0.24 days are why we have leap days every four years).arrow_forward
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- 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_forwardAzelastine hydrochloride is an antihistamine nasal spray. A standard size container holds one fluid ounce (oz.) of the liquid. You are searching for this medication in a European drugstore and are asked how many milliliters (mL) there are in one fluid ounce. Using the following conversion factors, determine the number of milliliters in a volume of 1.55 fluid ounces: 1 gallon (gal) = 128 oz., 3.785 x 10-³ cubic meters (m³) = 1 gal, 1 mL = 10-6 m³. Number i 29.57 Units mLarrow_forwardOn planet Z, the standard unit of length is the foose. Ann the Astronaut is 5.2 feet tall on Earth. She lands on planet Z and is measured to be 88 foosi tall. Her partner Rachael is 92 foosi tall. How tall is Rachael on Earth?arrow_forward
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