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Which, if any, of the heat engines violate(s) the second law of thermodynamics?
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Two polarizers are oriented at 70โโ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?
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Aball is thrown from the top of a building with an initial velocity of 21.9 m/s straight upward, at an initial height of 51.6 m above the ground. the ball just misses the edge of the roof on its way down, as shown in the figure. (a) determine the time needed for the ball to reach its maximum height. (b) determine the maximum height. (c) determine the time needed for the ball to return to the height from which it was thrown, and the velocity of the ball at that instant. (d) determine the time needed for the ball to reach the ground. (e) determine the velocity and position of the ball at t = 5.35 s.
Answers: 1
Which, if any, of the heat engines violate(s) the second law of thermodynamics?...
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