Physics, 07.11.2019 04:31 deejay4354
Afrequently quoted rule of thumb in aircraft design is that wings should produce about 1000 n of lift per square meter of wing. (the fact that a wing has a top and bottom surface does not double its area.) part (a) at takeoff, an aircraft travels at 69 m/s, so that the air speed relative to the bottom of the wing is 69 m/s. given the sea level density of air to be 1.29 kg/m3, how fast must it move over the upper surface to create the ideal lift?
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The substances that are necessary for producing of certain hormones and that store and transport vitamins
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Physics, 22.06.2019 17:30
This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.
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Physics, 23.06.2019 00:30
1. when conducting a test on what kind of music increases the growth of plants, all of the following would fail to meet to fair test standard except (1 point) using different kinds of plants. giving some plants more water than others. exposing the plants to different types of music. using nutrient-rich soil for one and lesser soil for others. 2. engineering uses scientific thinking to solve real-world problems. (1 point) true false 3. what does it mean to test a hypothesis? (1 point) pass a quiz on other scientists’ results analyze only the results from scientific sources not make assumptions about how an experiment will turn out see if the results of an experiment are what the scientist predicted
Answers: 3
Afrequently quoted rule of thumb in aircraft design is that wings should produce about 1000 n of lif...
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