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Physics
Physics
Problem
By how much depth below the Earth’s surface must a body be taken so that its weight is reduced by
0.2
%
0.2\%
0.2%
of its surface value? Take Earth’s radius
R
=
6.4
×
10
6
m
R = 6.4\times10^{6}\,\text{m}
R
=
6.4
×
1
0
6
m
.
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