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146

VARIOUS FORMS CONTINUED.

8th. In the case of a solid parallelopiped, fractured from its horizontal base, by subnormal wave.

Here

and substituting in Eq. XXIX., we find

(XXXI.)

9th. In the case of a right circular solid cylinder, fractured from its horizontal base, by subnormal wave.

Here

therefore

(XXXII.)

10th. In the case of a hollow parallelopiped, fractured from its horizontal base, by subnormal wave.

Substituting for and their values

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