An Si-O bond with a Young’s modulus of 9*1010Nm-1 have an elliptical crack of depth 7nm. The surface energy is 2.29 J. E

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answerhappygod
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An Si-O bond with a Young’s modulus of 9*1010Nm-1 have an elliptical crack of depth 7nm. The surface energy is 2.29 J. E

Post by answerhappygod »

a) 4.32*109Nm-1
b) 6.32*109Nm-1
c) 5.2*109Nm-1
d) 3*109Nm-1
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