An open tank has a vertical partition and on one side contains gasoline with a density rho = 580 kg/m3 at a depth of 4.4 m, as shown in fig. p2.99. a rectangular gate that is 4.4 m high and 2 m wide and hinged at one end is located in the partition. water is slowly added to the empty side of the tank. at what depth, h, will the gate start to open? multipart

Neptune is the eighth planet from the sun. it was the first planet to get its existence predicted by  mathematical calculations  before it was actually seen through a telescope on sept. 23, 1846. irregularities in the orbit of  uranus  led french astronomer alexis bouvard to suggest that the gravitational pull from another celestial body might be responsible. german astronomer johann galle then relied on subsequent calculations to   spot neptune via telescope. previously, astronomer galileo galilei sketched the planet, but he mistook it for a star due to its slow motion. in accordance with all the other planets seen in the sky, this new world was given a name from greek and roman mythology — neptune, the roman god of the sea.

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