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Q: An experiment wants to find the wind speed that begins to lift an airplane. The strategy is to use a 1/32 scale model and wind tunnel. Why is this strategy valid? A. A wind tunnel is available for
the experiment. B. The real airplane will not fit in the wind tunnel. C. The scale model matches the scale of the physical forces in the wind tunnel. D. An inexpensive scale model of the airplane is available through the local hobby shop.
A: C. The scale model matches the scale of the physical forces in the wind tunnel.
may100|Points 2176|
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Asked 1/29/2013 5:54:03 PM
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Which state of matter is made up of particles that build repeating patterns such as the crystalline structure of sodium chloride? A. gas B. solid C. liquid D. plasma
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Updated 168 days ago|9/4/2017 10:21:26 PM
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Solid is made up of particles that build repeating patterns such as the crystalline structure of sodium chloride.
Added 168 days ago|9/4/2017 10:21:26 PM
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