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A certain part of an aircraft engine has a volume of 2.6 ft3. The weight of...

A certain part of an aircraft engine has a volume of 2.6 ft3. The weight of the piece when it is made of copper is 1445.88 lb.

If the same piece is made of aluminum, what is its weight?

____lb

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Answer #1

volume v = 2.6ft^3

weight of piece of copper Wp = 1445.88 lb

density of aluminum σ1 = 167 lb/ft^3

weight of piece when it made of aluminium

W = density*volume

W = 167*2.6 = 434.2 lb

W = 434.2 lb

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