It takes Clarissa 540 seconds to make on hot fudge sundae she wants to make 3 hot fudge sundaes for her family what expression shows a correct way that find how many minutes it will take Clarissa to make 3 hot fudge sundaes 1 minute = 60 seconds

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