Could you  help with some science?
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What is the question?  Earth's gravity is a huge subject, best answered with some existing web sites.  I would read the sources below first.
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http://science.howstuffworks.com/vdg2.htm
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i could have helped u but ur question isn't very clear
818999
can you give a little more detail??? "hopefully" then we can help.
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I wish I could help, but I have no earthly idea.\n\nI'm sort of glad that you asked the question here though, rather than in person ! ;-P
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more information would help.
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I do not have a scientific calculator at the moment, but maybe i can borrow yours ;)
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This link may help your question
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Hi this might help you i guess , if it would tht would be cool. ;-)
1051025
The question is too open. What experiment are you talking about? If you google science supplies you might find out, although since it's homework most people won't just give you an answer.
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i can help you. email me the question.
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look in a library book or a science book...
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http://www.sciencemag.org
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http://www.pa.msu.edu/sciencet/ask_st/111192.html
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I might help you if I knew what you were exactly talking about.\nA little more info please.\n\nTHX
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http://www.sciencebuddies.org/mentoring/project_ideas/home_Phys.shtml?gclid=CNDljtrK6IgCFQ7eSgodNw4Ssg\n\nthere are MANY projects available getting more complex as you come to the bottom of the page.
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Could you expand a bit on the question?  Thanks.