the earth's radius is about 6.4x10^6m. An object that has the mass of 20 kg is taken to height of 1.6x10^2 above the ground ? ( G = 6.67 x 10^-11 NM^2/kg^2 , ME = 6x10^24 kg ) numerical findout the mass of an object at this height and also how much does the object weights at this height ?
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