The breeze during a sunny day at the beach is usually a result of a) the water heating faster than the land
b) planes flying overheat with large banners
c) the land heating faster than the water
d) boats passing the shore too closely

Atank has a shape of a cone with a radius at the top of 2 m and a height of 5 m. the tank also has a 1 m spout at the top of the tank. the tank is filled with water up to a height of 2 m. find the work needed to pump all the water out the top of the spout. (use 9.8 m/s2 for g and the fact that the density of water is 1000 kg/m3.)