The radius of earth is Re. If the acceleration due-o.gravity reduces to 25% of its value at the surface of earth, then the altitude is: a) 25RE b)IORE Re d) SRe

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Chapter7: Gravitation
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9. The radius of earth is Re. If the acceleration dye-ogravity reduces to 25% of its value at the surface of earth,
then the altitude is:
a) 25R.
b)1ORe
Re
) SRe
Transcribed Image Text:9. The radius of earth is Re. If the acceleration dye-ogravity reduces to 25% of its value at the surface of earth, then the altitude is: a) 25R. b)1ORe Re ) SRe
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