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23.what is the acceleration due to gravity at a distance 3r from the center of earth if gratational potential at distance r from the centre of earth is v ? ( Assume r>R , where R = radius of Earth) 1) v/9r 2)v/3r 3)v/4r 4)v/2r |
| Answer» 23.what is the acceleration due to gravity at a distance 3r from the center of earth if gratational potential at distance r from the centre of earth is v ? ( Assume r>R , where R = radius of Earth) 1) v/9r 2)v/3r 3)v/4r 4)v/2r | |