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55.At what hight above the earth surface does the value of g becomes 36%of the value at the surface of earth? (a) 2R/5 (b) 2R/3 (c) 3R/7 (d) R/3 |
| Answer» 55.At what hight above the earth surface does the value of g becomes 36%of the value at the surface of earth? (a) 2R/5 (b) 2R/3 (c) 3R/7 (d) R/3 | |