The Cosmic Perspective (8th Edition)
The Cosmic Perspective (8th Edition)
8th Edition
ISBN: 9780134059068
Author: Jeffrey O. Bennett, Megan O. Donahue, Nicholas Schneider, Mark Voit
Publisher: PEARSON
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Chapter 1, Problem 1VSC
To determine

Distance between the two photos in order to show the distance between Earth and the Moon on the scale of (1cm=4000km).

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Answer to Problem 1VSC

Solution:

In order to show the distance between Earth and the Moon you need to place the photos about 1 meter apart (about the length of your arm). Therefore option (b) is correct.

Explanation of Solution

Given:

Distance between the Earth and the Moon, x=384,000km

Scale, (1cm=4000km).

Calculation:

As we know the distance between the Earth and the Moon is 384,000km, The distance on the desired scaled of (1cm=4000km) is calculated as

y=384000(km)×1cm1cm=384000(km)×1cm4000( km)(1cm=4000km)=96cm1m

Hence, the photo should be 1 m apart (about the length of your arm) in order to show the distance between the earth and the moon on the scale of (1cm=4000km).

Conclusion:

The distance between the photos should be 1m in order to show the distance between the earth and the moon on the scale of (1cm=4000km).

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The Cosmic Perspective (8th Edition)

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