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Try Yourself 20. At what height above the surface of earth acceleration due to gravity reduces by 1%?RHint: 9. = 9RihFind the percentage decrease in the acceleration due to gravity...... Show the process​

Answer»

The new VALUE of gravity at a height H is given as g′=(R+h)2gR2 As VISIBLE from the formula that incresing h results in decresing gravity.So just put g′=0.99g i.e. 1% LESS than g where g is gravity at surface. so we get 0.99g=(R+h)2gR2 Solving the equation we get  h=0.005R



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