A 7. 0 kg bowling ball moves at 2. 35 m/s. How fast must a 2. 80 g ping-pong ball move so that the two balls have the same kinetic energy?.

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