1.

If p1 is the vertical intensity of pressure at a depth h on a block of earth weighing w per unit p2 is

A. wh (1 - cos )/(1 + )
B. wh (1 - sin )/(1 + )
C. wh (1 - tan )/(1 + )
D. w (1 - cos )/h (1 + sin )
Answer» C. wh (1 - tan )/(1 + )


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