Awater tower is a familiar sight in many towns. the purpose of such a tower is to provide storage capacity and to provide sufficient pressure in the pipes that deliver the water to customers. the drawing shows a spherical reservoir that contains 7.92 x 105 kg of water when full. the reservoir is vented to the atmosphere at the top. for a full reservoir, find the gauge pressure that the water has at the faucet in (a) house a and (b) house b. ignore the diameter of the delivery pipes.