What normally occurs in a saucer of water placed on your table is
A) evaporation.
B) condensation.
C) both of these
D) none of the above
Question 2
A circular cylinder of height 1.20 m having faces of diameter 0.620 m is immersed in water of density 1.00 103 kg/m3 with its axis vertical so that its faces are parallel to the surface of the water.
The upper face is 2.50 m below the surface of the water. The net force on this cylinder is observed to be 1120 N downward. Atmospheric pressure is 1.01 105 Pa. What net force does the water exert on the lower face of the cylinder?
A) 7.40 103 N
B) 1.09 104 N
C) 3.79 104 N
D) 4.14 104 N
E) 1.37 105 N
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