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Question

The coefficient of expansion of a certain steel is 0.000012 per C^(degree) . The coefficient of volume expansion, in (C^(degree))^-1, is:

A) (0.000012)^3
B) (4pi/3)(0.000012)^3
C) 3 x 0.000012
D) 0.000012
11 years ago

Answers

Damon
V = x^3
dV = 3 x^2 dx

dV/V = 3 x^2 dx/x^3 = 3 dx/x

ah ha, C
11 years ago
tasi mariah
3 x 0.000012
6 years ago
mafi
(3)(0.000012)
5 years ago
SUDHARSANAM.D
ANS: (3) 3×0.000012
4 years ago

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