Use this equation to calculate the speed of the Moon relative to Earth, as it orbits, assuming the distance between the Moon and Earth, r = 384,467 km. Give your answer for the speed of the Moon in units of km/hour. How does this compare to the actual approximate speed of the Moon, 3700 km/hour. If your result is not reasonably close to the actual speed, try repeating your calculation/check your work.
Use this equation to calculate the speed of the Moon relative to Earth, as it orbits, assuming the distance between the Moon and Earth, r = 384,467 km. Give your answer for the speed of the Moon in units of km/hour. How does this compare to the actual approximate speed of the Moon, 3700 km/hour. If your result is not reasonably close to the actual speed, try repeating your calculation/check your work.
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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Transcribed Image Text:Мon
Gravity:
on
off
O Gravity Force
Velocity
>
Path U
Grid
Star Mass
0.5
Our Sun
1.5
2.0
Planet Mass
0.5
Earth
1.5
2.0
Fast
392 Earth Days
Normal
Clear
Slow

Transcribed Image Text:d) Knowing the time that it takes for the Moon to orbit completely around the Earth, we can
calculate the approximate speed of the Moon (relative to the Earth as vmoon = d/t where d =
distance travelled by the Moon in one orbit and t is the time it takes for one orbit. The path of
the Moon around the Earth is approximately a circle, so:
d = circumference of circular orbit= 2*pi*r, where r is the distance between the centre of the
Moon and the centre of the Earth,
therefore,
Vmoon = 2*pi*r/t.
Use this equation to calculate the speed of the Moon relative to Earth, as it orbits, assuming the
distance between the Moon and Earth, r = 384,467 km. Give your answer for the speed of the
Moon in units of km/hour. How does this compare to the actual approximate speed of the
Moon, 3700 km/hour. If your result is not reasonably close to the actual speed, try repeating
your calculation/check your work.
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