The earth exerts a force of 9.8 N on a 1kg mas at its surface of radius Rg. Suppose the 1 kg mass is moved to a point at a height 3 . times (thrice) the earth's radius (3RE) above the earth's surface, then the force on the I kg mass becomes,. А 3.3N в 2.5 N C 1.1 N. D 0.61N

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