A uniform pressure of 21 × 10^5 N/m2 is applied to all six sides of a copper cube. What is the percentage change in volume of the cube? (for copper, B = 14 × 10^10 N/m2)
a. 2.4 × 10^-2 %
c. 8.4 × 10^-2 %
b. 1.5 × 10^-3 %
d. 0.5 × 10^-3 %
B
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