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In the figure, identical blocks with identical masses
m = 2.11 kg hang from strings of different lengths on
a balance at Earth's surface. The strings have
negligible mass and differ in length by h = 5.38 cm.
Assume Earth is spherical with a uniform density
p=5.50 g/cm³. What is the difference in the weight
of the blocks due to one being closer to Earth than
the other?
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