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If 'g' on the surface of the earth is 9....

If 'g' on the surface of the earth is `9.8ms^(-2)`, find its value at a depth of 3200 km (radius of the earth = 6400 km)

Text Solution

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with d = 3200 km
`g_(d) = g[1-(d)/(R)]rArr g_(d) = 4.9 ms^(-2)`
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