Physics, 09.09.2021 06:10 annamariaafowyhrq
2. A vehicle moves in one dimension with the velocity vs. time graph shown.
(2) Over what time intervals is the velocity increasing?
(b) Over what time intervals is the velocity decreasing?
*) Determine the displacement during the interval from t = 2 to t = 5 s.
(d) On the axes below, sketch the acceleration vs. time graph of the vehicle over the
entire time.
Answers: 3
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Organ systems work to maintain homeostasis by creating energy to allow systems to function, releasing hormones to create or end body reactions, and eliminating waste to prevent illness. t or f
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Me ! since green bounces off red, this must be collision a.elastic b.explosion c.inelastic
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7.45 a student is interested in the aerodynamic drag on spheres. she conducts a series of wind tunnel tests on a 10-cm-diameter sphere. the air in the wind tunnel is at 50 â°c and 101.3 kpa. she presents the results of her tests in the form of a correlation, đť’ź = 0.0015v1.92, where đť’ź is the drag force in newtons and v is the velocity in m/s. another student realizes that the results would have been more effectively presented in terms of dimensionless parameters, say, î 1 = f (î 2) = c î a2 , where î 1 and î 2 are dimensionless parameters and c and a are constants. what are the most appropriate dimensionless parameters (î 1 and î 2) and the corresponding values of c and a? what would be the drag on a 2-cm-diameter sphere placed in a 1-m/s, 20 â°c water stream?
Answers: 1
2. A vehicle moves in one dimension with the velocity vs. time graph shown.
(2) Over what time int...
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