A baby carriage is sitting at the top of a hill that is 21 m high. The carriage with the baby weighs 20 kg. The carriage has
energy. Calculate it

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