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speed of the earth's rotation

Asked Mar 1, 2007, 04:38 PM — 17 Answers
at what speed does the earth revolve around the sun

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17 Answers
saturday's Avatar
saturday Posts: 15, Reputation: 1
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#2

Mar 1, 2007, 04:44 PM
30 kilometers per second
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TechSupport's Avatar
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#3

May 3, 2007, 11:23 AM
More info about the earth's rotational speed at Speed of the Earth's Rotation
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Stratmando's Avatar
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#4

May 22, 2007, 05:34 PM
1 RPY(Revolution per year(Earth)). At the bottom end of the dial. It spins about 365 times during that time
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Starman's Avatar
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#5

May 23, 2007, 07:43 PM
Approximately 65,000 mph or (105,000 kph), which is approx. 18 1/2 miles a second.
One thing to remember is that Earth's orbit is slightly elliptical which causes it to accelerate as it gets closer to the Sun and decelerate gradually as it moves away giving it an average speed of 29.658 km/s. In short, its fastest when closest to the Sun--perihelion--and slowest when farthest from the Sun--aphelion.


Speed of the Earth in Orbit
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Capuchin's Avatar
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#6

May 23, 2007, 10:29 PM
Errrm, starman did you just use commas in 2 different ways here?
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#7

May 24, 2007, 03:47 AM
Quote:
Originally Posted by Capuchin
Errrm, starman did you just use commas in 2 different ways here?
Average speed of 29.658 km/s

Thanks for pointing out the typo.
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lew lew 12345's Avatar
lew lew 12345 Posts: 1, Reputation: -1
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#8

Jun 25, 2007, 07:00 AM
Quote:
Originally Posted by maxwellhunt
at what speed does the earth revolve around the sun
6000mph
ebaines (Jun 25, 2007 08:59 AM): Off by approximately a factor of 10.   Source:
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Skrypt's Avatar
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#9

Jul 15, 2007, 07:13 PM
HOLY CRAP. That means if somehow by freak force of nature that the earth slowed down everything would fly around.
Capuchin (Jul 15, 2007 10:25 PM): what?   Source:
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#10

Jul 16, 2007, 06:46 AM
Quote:
Originally Posted by Skrypt
HOLY CRAP. That means if somehow by freak force of nature that the earth slowed down everything would fly around.
This is not true. The Earth, unlike any spinning object you can possibly hold and touch, has an immense gravitational field. It is not centripetal force that holds you to the surface of the earth, it is gravity.

The Earth's gravity is is pulling you towards it at the rate of 9.8 meters per second per second. If it slowed down to no spin whatsoever, there would still be gravity. It is dependent solely on the mass of two objects (you and the earth) and the distance between them. The closer the distance, and/or the larger the mass, the greater the gravitational force between the two.

Check out Earth's Mass - EnchantedLearning.com for more information about figuring out gravity equations.
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