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The value of acceleration due to gravity...

The value of acceleration due to gravity at Earth's surface is `9.8 ms^(-2)`.The altitude above its surface at which the acceleration due to gravity decreases to `4.9 ms^(-2)`m, is close to: (Radius of earth =`6.4xx10^6 m`)

A

`2.6xx10^6 m`

B

`6.4xx10^6 m`

C

`9.0xx10^6 m`

D

`1.6xx10^6 m`

Text Solution

Verified by Experts

The correct Answer is:
B
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