The volume of brass piece is twice that of an aluminium piece. The total weight of both the pieces is 1280 grams. If the weight of 1 cubic cm. of Aluminium is 7.8 gm and that of brass is 8.9 gm, find the volume of each piece.
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since mass= density × volume
and total mass =p1×v1 +p2×v2
so, 1280=7.8×v1+8.9 ×v1×2 ......as v2=2×v1
so, 1280=(7.8+17.8)×v1=25.6v1
so, v1=1280/25.6=50cc=volume of Al
so, v2=100cc=volume of Brass
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and total mass =p1×v1 +p2×v2
so, 1280=7.8×v1+8.9 ×v1×2 ......as v2=2×v1
so, 1280=(7.8+17.8)×v1=25.6v1
so, v1=1280/25.6=50cc=volume of Al
so, v2=100cc=volume of Brass
Thanks..Mark it as brainliest.
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