The linear expansivity of brass is 2 x 10^-5 ^oC^-1. If the volume of a piece of brass is 10cm³ at 0^oC, what will be its volume at 100^oC?

A.

10.02cm³

B.

10.04cm³

C.

10.06cm³

D.

10.20cm³

E.

102.00cm³

View answer & explanation

Correct answer is C

3 x \(\alpha\) = \(\frac{V_2 - V_1}{\Delta \theta \times V_1}\)

3 x 2 x 10^-5 = \(\frac{V_2 - 10}{10 \times 100}\)

V₂ = 10.06cm³

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