Given that the Diameter of Earth is about 7200 miles, how many Earths would fit across the Sun?

Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter1: Physics And Measurement
Section: Chapter Questions
Problem 1.29P
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d. Diameter of the Sun
I h
A
d.
Standing on the beach at sunset, you extend the tip of your finger at your full arm length from
your face, covering the Sun. Upon moving your finger around, you find that only about half of its
width is needed to completely cover the Sun's diameter. You measure your finger width to be 0.5
inches. You know your arm length to be 28.0 inches. You have be told that the Sun is
approximately 93 million miles away. Use this information to determine the approximate
diameter of the Sun, filling in the table below with the proper quantities measure in meters.
1 = ½ finger
g = eye level
height
d = object
h = Diameter
f= object
height from
level to top of eye level
X = Arm
A =
angle
width
length
distance
from eye
of the Sun
object
Transcribed Image Text:d. Diameter of the Sun I h A d. Standing on the beach at sunset, you extend the tip of your finger at your full arm length from your face, covering the Sun. Upon moving your finger around, you find that only about half of its width is needed to completely cover the Sun's diameter. You measure your finger width to be 0.5 inches. You know your arm length to be 28.0 inches. You have be told that the Sun is approximately 93 million miles away. Use this information to determine the approximate diameter of the Sun, filling in the table below with the proper quantities measure in meters. 1 = ½ finger g = eye level height d = object h = Diameter f= object height from level to top of eye level X = Arm A = angle width length distance from eye of the Sun object
Given that the Diameter of Earth is about 7200 miles, how many Earths would fit across the
Sun?
You turn toward the east, seeing the full moon rising. You find that half of your finger tip at
arm's length also covers the diameter of the Moon! Given that the diameter of the Moon is about
2160 miles, approximately how far from Earth is the Moon in miles and km according to your
calculations?
Transcribed Image Text:Given that the Diameter of Earth is about 7200 miles, how many Earths would fit across the Sun? You turn toward the east, seeing the full moon rising. You find that half of your finger tip at arm's length also covers the diameter of the Moon! Given that the diameter of the Moon is about 2160 miles, approximately how far from Earth is the Moon in miles and km according to your calculations?
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