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![[Post New]](/templates/default/images/icon_minipost_new.gif) 3 May 2008 17:52:13 IST
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A) what EQUAL +ve charge should be placed on earth and moon to cancel their Gravitatiopnal pull?
B) what kg of H2 gas would provide you with that charge?
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3 May 2008 18:00:41 IST
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1) kq^2/r^2 = GMm/r^2
q^2 = GMm/k
q = root (GMm/k)
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- Gaurav Ragtah (spideyunlimited)
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3 May 2008 18:09:11 IST
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dude...am asking answer not the eqution
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3 May 2008 18:12:07 IST
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i wrote the answer in the end innit? :|
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- Gaurav Ragtah (spideyunlimited)
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3 May 2008 18:24:24 IST
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mass of moon must hav been given in the ques... may i knw it??
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30 May 2008 17:03:48 IST
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no...
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31 May 2008 17:47:33 IST
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its from resnick and halliday....i am also stuck with this problem only bcoz mass of the moon is not given
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