1.

The value of g at a particular point is 9.8 m//s^2 Suppose the earth suddenly shrinks uniformly to half its present size without losing any mass. The value of g at the same point (assuming that the distance of the point from the centre of the earth does not shrink) will now be : ..........

Answer»

`4.9 m//s^2`
`3.1 m//s^2`
`9.8 m//s^2`
`19.6 m//s^2`

SOLUTION :`implies G =(GM)/r^2`
Here MASS and radius are unchanged


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