A father (weight W = 858 N) and his daughter (weight W = 372 N)are spending the day at the lake. They are each sitting on a beachball that is just submerged beneath the water (see the figure).Ignoring the weight of the air in each ball, and the volumes oftheir legs that are under the water, find (a) the radius offather's ball and (b) the radius of daughter's ball
