Universe: Stars And Galaxies
6th Edition
ISBN: 9781319115098
Author: Roger Freedman, Robert Geller, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 1, Problem 6Q
To determine
The meaning of the letters RIVUXG.
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For the remaining questions, you need to use Figure 1.4 to obtain the necessary orders of magnitude of lengths, masses, and times.Roughly how many times longer than the mean life of an extremely unstable atomic nucleus is the lifetime of a human?
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Chapter 1 Solutions
Universe: Stars And Galaxies
Ch. 1 - Prob. 1QCh. 1 - Prob. 2QCh. 1 - Prob. 3QCh. 1 - Prob. 4QCh. 1 - Prob. 5QCh. 1 - Prob. 6QCh. 1 - Prob. 7QCh. 1 - Prob. 8QCh. 1 - Prob. 9QCh. 1 - Prob. 10Q
Ch. 1 - Prob. 11QCh. 1 - Prob. 12QCh. 1 - Prob. 13QCh. 1 - Prob. 14QCh. 1 - Prob. 15QCh. 1 - Prob. 16QCh. 1 - Prob. 17QCh. 1 - Prob. 18QCh. 1 - Prob. 19QCh. 1 - Prob. 20QCh. 1 - Prob. 21QCh. 1 - Prob. 22QCh. 1 - Prob. 23QCh. 1 - Prob. 24QCh. 1 - Prob. 25QCh. 1 - Prob. 26QCh. 1 - Prob. 27QCh. 1 - Prob. 28QCh. 1 - Prob. 29QCh. 1 - Prob. 30QCh. 1 - Prob. 31QCh. 1 - Prob. 32QCh. 1 - Prob. 33QCh. 1 - Prob. 34QCh. 1 - Prob. 35QCh. 1 - Prob. 36QCh. 1 - Prob. 37QCh. 1 - Prob. 38QCh. 1 - Prob. 39QCh. 1 - Prob. 40QCh. 1 - Prob. 41QCh. 1 - Prob. 42Q
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- Rewrite the following expression in proper scientific notation as in the example at page 1. Note that here you also have to take care of the number of significant digits. (1.4088x102) (1.8775x101) (6.0110x104) (7.76)/ (2.4x10-4) (4.01x1010) (8.80x101) 3) Solve the above expression using your calculator. Round your answer to the appropriate number of significant digits. (need this)arrow_forwardThe speed of light is about 3 x 108 meters per second. The Millennium Falcon is traveling from Earth to Mars at the speed of light. The distance between the Earth and Mars fluctuates between 5.46 x 10¹0 meters and 4,01 x 10¹¹ meters. If the day the Millennium Falcon makes the "Mars Run," the distance is 2.25 x 10¹¹ meters, how long will it take them? Note: distance = rate time, and time = distance/rate Express your answer in scientific notation. Use for the multiplication. seconds Convert your answer to minutes. Include at least 3 decimal places in your answer, which can be expressed in standard notation. minutes Suppose the Millennium Falcon flies for 5 hours at the speed of light. How far will they travel? Express your answer in scientific notation. metersarrow_forwardImagine that the y-axis points north and the x-axis points east. (a) If you travel a distance r= 22km in a straight line from the origin in a direction 35 degrees south of west, what is your position in Cartesian (x,y) coordinates? (b) If you travel 6 miles due south from the origin and then turn west and travel 2 miles, how far from the origin and in what direction is your final position?arrow_forward
- You are standing a distance x from a building with height y. If the straight line distance between you and the top of the building is 1200m and the angle between the horizontal plane and your straight line of sight is 40o. What is the height of the building and what distance are you from it?arrow_forwardAn airplane flies 320 miles from point A to point B with a bearing of 26°. Then it flies 260 miles from point B to point C with a bearing of 32° (see figure). Find the straight-line distance (in mi) and bearing (in degrees) from point A to point C. (Round your answers to one decimal place.)arrow_forwardFor this short response assignment, your job is to demonstrate your understanding of SI units and how they can be applied on an astronomical scale. To do this, answer each of the following with a brief explanation of the mathematics used to get there.The speed of light is 3*10^8 m/s (aka 300,000,000 meters per second). What is the speed of light in centimeters per second, kilometers per second, and miles per hour? (Hint: there are roughly 1.6 km per mile and 3600 seconds per hour) Remember to show the math; If light from the closest star to our solar system takes about 4.2 years to get to us, how far away is that star in units of Gm (aka Gigameters)? Again, explain your work.arrow_forward
- In astronomy, distances are often expressed in light-years. One light-year is the distance traveled by light in one year. If the distance to a star is 5.9 light-years, what is this distance in meters? (There are 365.25 days in one year.) Number i Units >arrow_forwardA car is 16 feet, 3 inches long. How long is it in meters? Use the fact that 1 inch=2.54 centim-eters to determine your answer. Explain your reasoning briefly.arrow_forwardWrite the scientific notation (10n) 0012 = 560000 = Write out the number 3 x 104 = 8 x 10-2 = How many centimeters are in 2 kilometers? Write your answer in scientific notation. How long would it take in minutes to travel 5km if you are traveling at a speed of 30 m/s? A ship left shore 3 days ago and has been moving at a constant speed. The cruise ship is now 1440 miles away. What is the average speed in mph? 5a. A tuning fork has a period of 4s. What is the frequency? 5b. If the tuning fork above is struck in air, what is the wavelength? 5c. If the tuning fork above is struck in water, what is the wavelength? The wave below is traveling at 5 m/s. 6a. What are the wave y(x) and oscillator y(t) sinusoid equations for this wave? What is a sound wave? Identify where the compressions and the rarefactions are in both graphs.…arrow_forward
- Suppose that a particular artillery piece has a range RRR = 5370 yardsyards . Find its range in miles. Use the facts that 1mile=5280ft1mile=5280ft and 3ft=1yard3ft=1yard. Express your answer in miles to three significant figures.arrow_forwardThe image with the highlighting and numbers is a solved example problem. The other image is the problem you're solving. Hint: 5m came from the height and then we had 1s. Each square is 5 by 1 or 5m while each triangle is 2.5 m. In other words, rise of 5 and run of 1. On the right side, they become negative because we're going down. On the example you add all the 5m and 2.5 m on the left and right side you get 20 m and -20 m. In the example the final answers are 20 m and -20 m and when added together they equal zero. Therefore, the moving man returned to its starting location. SOLVE the problem below do not solve the example problem. However be sure to show all work and solve just like in the example. Now solve the Sandy problem the same way. is Sandy correct that the moving man did not return to his starting location? State your claim of agreeing or disagreeing with the moving man having a non zero total displacement. Gather evidence from your calculations. Connect your evidence to…arrow_forwardThe steps of solution should be shown clearly and completely. Put your final answers in a box. Write your answers up to the third decimal place.arrow_forward
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