The length of a wire is 4cm+_ 0.04cm, radius is 1cm +_ 0.01 cm . Find the volume
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The length of a wire is 4cm+_ 0.04cm, radius is 1cm +_ 0.01 cm . Find the volume
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Explanation:
Area = πr² = 3.14 x 10⁻⁴
Length = 4 x 10⁻⁴
Volume = Area x Length
= 12.56 cm³
Δv/v = 2Δr/r + Δl/l
= 2 x 0.01/1 + 0.04/4
=0.03 x v
Δv = 0.38
Thus volume is written as 12.56 cm³ ± 0.38
Hope you understand
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