Universe: Stars And Galaxies
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 33Q
To determine

The age of the universe in seconds.

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Write 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.…
I'm having trouble completing the problem I've attached a picture of below. I was able to find the the Earth's average speed in m/s relative to the sun by doing (2pi*(1.49x10^11))/31536000. But I am struggling to find the average velocity for the same thing over a period of one year in m/s. I was wondering how to calculate that? I've tried doing the (final velocity-initial velocity)/2 but the program doesn't accept my answer when using that approach.
A light year (LY) is the distance that light travels in one year. 1 LY = 9.46x1015 m. Suppose we have detected a planet that orbits a star that is 104 light years away. How many millions of years would it take us to get there if we used a modern rocket with a maximum speed of 20.0 km/s (about 45,000 mph)? Assume 3 sig figs.
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