FUNDAMENTALS OF PHYSICS - EXTENDED
12th Edition
ISBN: 9781119773511
Author: Halliday
Publisher: WILEY
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Chapter 1, Problem 58P
To determine
To find: The number of times Nemo travelled around the Earth.
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A light-year (ly) is the distance light travels in one year (at speed of 2.998 ×× 108 m/sm/s ). An astronomical unit (AU) is the average distance from the Sun to Earth, 1.50 ×× 108 km. 1 year = 3.156 ×× 107 s.
How many meters are there in 1.70 ly?
Express your answer using three significant figures. Express in scientific notation!
1.70 ly = _________________m
How many AU are there in 1.70 ly light-year?
Express your answer using three significant figures. Express in scientific notation!
1.70 ly = _________________AU
2.
We are going to make a simple approximation of the number of atoms in the universe.
Assume all the atoms in the universe are hydrogen. (In actual practice, over 75% of the atoms in the universe are hydrogen.)
Assume the sun is a typical star (made of pure hydrogen) has a density of 1.4 g/cm3 and is a sphere with a radius of 7.0*108m
Assume that there are 100 billion stars in our Milky Way galaxy that are identical to our sun.
Assume that there are 10 billion galaxies in the universe identical to our Milky Way galaxy. How many atoms are there in the universe?
Chapter 1 Solutions
FUNDAMENTALS OF PHYSICS - EXTENDED
Ch. 1 - Prob. 1PCh. 1 - A gry is an old English measure for length,...Ch. 1 - The micrometer 1 m is often called the micron. a...Ch. 1 - Spacing in this book was generally done in units...Ch. 1 - SM WWW Horses are to race over a certain English...Ch. 1 - ILW Hydraulic engineers in the United States often...Ch. 1 - Until 1883, every city and town in the United...Ch. 1 - wor about 10 years after the French Revolution,...Ch. 1 - The fastest growing plant on record is a...Ch. 1 - A lecture period 50 mm is close to 1 microcentury....
Ch. 1 - A fortnight is a charming English measure of time...Ch. 1 - Prob. 16PCh. 1 - SSM Five clocks are being tested in a laboratory....Ch. 1 - Because Earths rotation is gradually slowing, the...Ch. 1 - Suppose that, while lying on a beach near the...Ch. 1 - GO The record for the largest glass bottle was set...Ch. 1 - Earth has mass of 5.98 1024 kg. The average mass...Ch. 1 - Gold, which has a density of 19.32 g/cm3, is the...Ch. 1 - Prob. 23PCh. 1 - GO Grains of fine California beach sand are...Ch. 1 - During heavy rain, a section of a mountainside...Ch. 1 - Prob. 26PCh. 1 - Prob. 27PCh. 1 - Prob. 28PCh. 1 - On a spending spree in Malaysia, you buy an ox...Ch. 1 - Prob. 30PCh. 1 - Prob. 31PCh. 1 - Prob. 32PCh. 1 - SSM A ton is a measure of volume frequently used...Ch. 1 - Two types of barrel units were in use in the 1920s...Ch. 1 - An old English childrens rhyme states, Little Miss...Ch. 1 - Prob. 36PCh. 1 - A typical sugar cube has an edge length of 1 cm....Ch. 1 - An old manuscript reveals that a landowner in the...Ch. 1 - SSM A tourist purchases a car in England and ships...Ch. 1 - Prob. 40PCh. 1 - SSM A cord is a volume of cut wood equal to a...Ch. 1 - One molecule of water H2O contains two atoms of...Ch. 1 - A person on a diet might lose 2.3 kg per week....Ch. 1 - What mass of water fell on the town in Problem 7?...Ch. 1 - a A unit of time sometimes used in microscopic...Ch. 1 - A unit of area often used in measuring land areas...Ch. 1 - SSM An astronomical unit AU is the average...Ch. 1 - Prob. 48PCh. 1 - A traditional unit of length in Japan is the ken 1...Ch. 1 - You receive orders to sail due east for 24.5 mi to...Ch. 1 - Prob. 51PCh. 1 - Prob. 52PCh. 1 - Prob. 53PCh. 1 - Measures of a man. Leonardo da Vinci, renowned for...Ch. 1 - Dog years. Dog owners like to convert the age of a...Ch. 1 - Prob. 56PCh. 1 - Prob. 57PCh. 1 - Prob. 58PCh. 1 - Prob. 59PCh. 1 - Prob. 60PCh. 1 - Class time, the long of it. For a common four-year...
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