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13. A particle of mass m approaches earth from a great distance with initial speed root of GM/R, where M and R are mass of earth and radius of earth, respectively. If the particle passes off tangentially to the earth's surface, the value of b is K times R. Find K. |
| Answer» 13. A particle of mass m approaches earth from a great distance with initial speed root of GM/R, where M and R are mass of earth and radius of earth, respectively. If the particle passes off tangentially to the earth's surface, the value of b is K times R. Find K. | |