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how far light would travel in a week on the “cosmic calendar”?

how far light would travel in a week on the “cosmic calendar”?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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I’m stumped on question 4. How do I find how far light would travel in a week on the “cosmic calendar”?
P Course Home O convert 2.61*10^22 km to ly -X O Powers of 10 097?module_item_id%3D9926549 2021.pdf W1_F2021.pdf 20_HW1_F2021.pdf (142 KB) Page < of 2 4) The cosmic calendar of Section 1.2 explains where we are in the universe in time. But time and space are connected through the speed of light. How far could light travel in 1 week of the "cosmic calendar" in light-years? What astronomical object in Figure 1.1 is approximately this size? 5) Section 1.3 and Figure 1.16 describe the Raisin Cake analogy for understanding why a uniform expansion of the universe appears as if all galaxies are moving away and more distant galaxies are moving faster. Consider Raisin #2 away from the “Local Raisin", which had a distance before baking of 3 cm and after baking of 9 cm. Let's say you accidentally forget to turn the oven off and the cake expands by another factor of 9 after another two hours. How far away is Raisin #2 now? Comparing the rough average speed during the first hour and the rough average speed during the second hour, did its speed seem to increase, decrease, or stay the same? 21 6) In Section 1.4 the authors state that astronomy and technology develop hand-in-hand. Verify this by identifying one example of astronomy software. You can list an app or you can find a DII DD F7 FB F9 F10 F11
Transcribed Image Text:P Course Home O convert 2.61*10^22 km to ly -X O Powers of 10 097?module_item_id%3D9926549 2021.pdf W1_F2021.pdf 20_HW1_F2021.pdf (142 KB) Page < of 2 4) The cosmic calendar of Section 1.2 explains where we are in the universe in time. But time and space are connected through the speed of light. How far could light travel in 1 week of the "cosmic calendar" in light-years? What astronomical object in Figure 1.1 is approximately this size? 5) Section 1.3 and Figure 1.16 describe the Raisin Cake analogy for understanding why a uniform expansion of the universe appears as if all galaxies are moving away and more distant galaxies are moving faster. Consider Raisin #2 away from the “Local Raisin", which had a distance before baking of 3 cm and after baking of 9 cm. Let's say you accidentally forget to turn the oven off and the cake expands by another factor of 9 after another two hours. How far away is Raisin #2 now? Comparing the rough average speed during the first hour and the rough average speed during the second hour, did its speed seem to increase, decrease, or stay the same? 21 6) In Section 1.4 the authors state that astronomy and technology develop hand-in-hand. Verify this by identifying one example of astronomy software. You can list an app or you can find a DII DD F7 FB F9 F10 F11
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