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Old Jul 15th 2018, 06:38 AM   #1
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Homework question help........!!!!!!!!

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Last edited by fares; Jul 15th 2018 at 06:45 AM.
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Old Jul 15th 2018, 08:01 AM   #2
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Originally Posted by fares View Post
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What have been able to do with these? We can help you better if we know what you have done.

-Dan
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Old Jul 15th 2018, 10:41 AM   #3
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Don't be intimidated by what seems to be a huge question,
Try to break it down into smaller questions you can answer.
If the radius of a circle is 1.49x10^11m what is its circumference?

It takes a year for the Earth to go round this circle.
so the speed is the distance around the circumference per year.

I think there is a mistake in you post, I think where you have KWh you should have km/h (kilometres per hour)

How many hours in a year?
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