Question

at a place value of g is less by 1 percent than its value on the surface of the earth(radius of the eearth is 6400km). the place is?
a) 64km below the surface of earth
b) 30km above the surface of the earth

Answer 1

Hi friend,
as 1% of 6400 is 64
g'/gx100=x'/x X100
x'=6400/100
x'=64
so the option a) is correct
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