"a tank is full of water. find the work required to pump the water out of the spout. (use 9.8 m/s2 for g. use 1000 kg/m3 as the density of water. assume r = 3 m and h = 1 m.)
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Atravel agent is booking a trip to england, scotland, ireland, and france for a group of senior citizens. the agent sent surveys to the group, asking which countries they would like to visit, in order, and created the shown preference schedule (e = england, i = ireland, s = scotland, f = france). which country is the condorcet winner? number of votes 15 12 16 19 1st f e e i 2nd e s i s 3rd s i s e 4th i f f f 1. scotland 2. england 3. france 4.ireland