The tip of the iceberg . Icebergs consist of freshwater ice and float in the ocean with only about 10% of their volume above water (the “tip of the iceberg,” so to speak). This percentage can vary, depending on the condition of the ice. Assume that the ice has the density given in Table 13.1 , although, in reality, this can vary considerably, depending on the condition of the ice and the amount of impurities in it. (a) What does this 10% observation tell us is the density of seawater? (b) What percentage of the icebergs’ volume would be above water if they were floating in a large freshwater lake such as Lake Superior?
The tip of the iceberg . Icebergs consist of freshwater ice and float in the ocean with only about 10% of their volume above water (the “tip of the iceberg,” so to speak). This percentage can vary, depending on the condition of the ice. Assume that the ice has the density given in Table 13.1 , although, in reality, this can vary considerably, depending on the condition of the ice and the amount of impurities in it. (a) What does this 10% observation tell us is the density of seawater? (b) What percentage of the icebergs’ volume would be above water if they were floating in a large freshwater lake such as Lake Superior?
The tip of the iceberg. Icebergs consist of freshwater ice and float in the ocean with only about 10% of their volume above water (the “tip of the iceberg,” so to speak). This percentage can vary, depending on the condition of the ice. Assume that the ice has the density given in Table 13.1, although, in reality, this can vary considerably, depending on the condition of the ice and the amount of impurities in it. (a) What does this 10% observation tell us is the density of seawater? (b) What percentage of the icebergs’ volume would be above water if they were floating in a large freshwater lake such as Lake Superior?
suggest a reason ultrasound cleaning is better than cleaning by hand?
Checkpoint 4
The figure shows four orientations of an electric di-
pole in an external electric field. Rank the orienta-
tions according to (a) the magnitude of the torque
on the dipole and (b) the potential energy of the di-
pole, greatest first.
(1)
(2)
E
(4)
What is integrated science.
What is fractional distillation
What is simple distillation
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