1.

A spherical planet far out in space has a mass M_(0) and diameter D_(0). A particle of mass m falling freely near the surface of this planet will experience an acceleration due to gravity which is equal to

Answer»

`GM_(0)//D^(2)`
`4mGM_(0)//D_(0)^(2)`
`4GM_(0)//D_(0)^(2)`
`GmM_(0)//D_(0)^(2)`

Solution :Acceleration due to planet,
`G=(GM_(0))/(R^(2))=(GM_(0))/(((D_(0))/(2))^(2))=(4GM_(0))/(D_(0)^(2))`.


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