ashna
Find the value of g at a height of 400 km above the surface of the earth ,R = 6400 Km and value of g at the surface of the earth is 9.8m/s^2.



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sauravshakya
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dw:1352533681391:dw

sauravshakya
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U know it?

ashna
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yes.

sauravshakya
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Great... then, dw:1352533724384:dw

sauravshakya
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U need to find g'
Also R=6400 *1000 m

ashna
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why R+400 *100 ?

sauravshakya
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Okay: dw:1352534028533:dw
Now, dw:1352534083206:dw

sauravshakya
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does it help?

ashna
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yes :)
ty !

sauravshakya
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yw