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Oil flows upward in the wick of a lantern because of the liquid property called A. meniscusity. B. density. C. viscosity. D. capillarity.
C. Capillarity
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Asked 12/1/2012 8:43:19 AM
Updated 12/1/2012 8:59:19 AM
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The answer is C) Viscosity
Added 12/1/2012 8:59:22 AM
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The main difference between speed and velocity involves A. distance. B. weight. C. gravity. D. direction.
Weegy: D. direction. The main difference between speed and velocity involves direction. velocity = speed + direction (More)
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Updated 12/1/2012 9:03:05 AM
1 Answer/Comment
Speed is a scalar and velocity is a vector.
A scalar only has magnitude while a vector has magnitude and direction.

Example: If you are traveling north at 65 miles an hour your speed is 65 miles an hour, your velocity is 65 miles an hour north.
It gets a little more complicated. Speed = distance (a scalar)/time Velocity = Displacement (vector)/time

Example: If you run 5 miles in an hour left and then 5 miles in a hour right your speed is 10 miles/2 hours = 5 miles an hour. However, since you end up in the same exact location as where you started your displacement is zero making your velocity zero as well. Think of it this way; since velocity is a vector it requires a direction if i ended up exactly where I started I have no direction, thus velocity must be zero.

One more example to clarify: If you ran 6 miles right and 4 miles left in 2 hours, your speed will be 5 miles an hour (10/2=5) your velocity would be 1 mile an hour to the right, since displacement is 2 miles to the right (6 to right - 4 to left = 2 to right) and the time is 2 hours displacement/time = velocity; 2 to the right/2 = 1 mile to the right per hour.
Added 12/1/2012 9:03:05 AM
This answer has been added to the Weegy Knowledgebase
Within the metric system all units are based on the number A. 1000. B. 10. C. 1. D. 100.
Weegy: Within the metric system all units are based on the number a. 1000 (More)
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Asked 12/1/2012 8:45:57 AM
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According to Ptolemy's model of the movement of celestial bodies, A. the earth rotates around the sun. B. the sun is the center of the universe. C. planets orbit in circular paths around the earth. D. the earth rotates around the moon.
Weegy: According to Ptolemy's model of the movement of celestial bodies,: C. planets orbit in circular paths around the earth. (More)
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