The rectangular bar is connected to the support bracket with a 20-mm-diameter pin. the bar width is w = 65 mm and the bar thickness is 20 mm. each side of the bracket has the same dimensions as the bar. the average shear stress in the pin cannot exceed 130 mpa, the bearing stress in the bar cannot exceed 150 mpa, and the bearing stress in the bracket cannot exceed 140 mpa. determine the maximum value of pmax that can be supported by the structure.
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Ingrid wrote the hypothesis below. if the temperature of a liquid increases, the density of the liquid decreases because the particles move farther apart. what are the variables in her hypothesis?
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Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?
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Aturntable that spins at a constant 74.0 rpm takes 3.10 s to reach this angular speed after it is turned on. find its angular acceleration (in rad/s2), assuming it to be constant, and the number of degrees it turns through while speeding up.
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The rectangular bar is connected to the support bracket with a 20-mm-diameter pin. the bar width is...
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