Responses to terrorist attacks can be understood either in terms of warfare or in terms of police actions. what are the significant differences between these two frameworks? which do you think is the better framework for the september 11th attacks"?

Panel bc in fig. p2.76 is semi-circular, with the 3 meter radius and horizontal straight edge through point b. compute (a) the hydrostatic force of the water on the panel, (b) its center of pressure, and (c) the moment of this force about point b. assume atmospheric pressure on the dry side of the panel