What is the relationship between the line current i l and the phase current i1 in a balanced delta system?

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

Photons with the highest energy have the longest period

Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above