A 6.0 m * 12.0 m swimming pool slopes linearly from a 1.0 m depth at one end to a 3.0 m depth at the other. What is the mass of water in the pool?
Mass of water in the pool is 1.44 x 105 kg.
Width = 6.0 m
Length= 12.0 m
Depth increases from one end 1.0 m to other end to a 3.0 m
First find the volume
Mass = volume x density
Mass of water = 144 m3 x 1000 kg/m3 = 1.44 x 105 kg.
The two --diameter cylinders in FIGURE , closed at one end, open at the other, are joined to form a single cylinder, then the air inside is removed.
A. How much force does the atmosphere exert on the flat end of each cylinder?
B. Suppose one cylinder is bolted to a sturdy ceiling. How many football players would need to hang from the lower cylinder to pull the two cylinders apart?
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