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The distance from the earth's surface at...

The distance from the earth's surface at which the acceleration due to gravity equals to `1m/s^2` is about

A

a)`3.162km//s`

B

b )`3.162xx10m//s`

C

c)`3.162m//s`

D

`d)3.162xx10^3km//s`

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The correct Answer is:
A
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