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what is the weight of a 70kg body on the surface of planet whose mass is 1/7th that of earth and radius is half of earth ? (1)20kgf (2) 40kgf (3)70kgf (4)140k |
| Answer» what is the weight of a 70kg body on the surface of planet whose mass is 1/7th that of earth and radius is half of earth ? (1)20kgf (2) 40kgf (3)70kgf (4)140k | |