Physics, 14.04.2020 18:05 Tcareyoliver
A vertical, solid steel post 39 cm in diameter and 3.30 m long is required to support a load of 9900 kg. You can ignore the weight of the post. What are (a) the stress in the post; (b) the strain in the post; and (c) the change in the post’s length when the load is applied?
Answers: 1
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Which describe reflection? check all that apply. light bounces off a boundary.
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The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
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Physics, 22.06.2019 10:20
Asmall object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. the upper end of the rope is attached to the ceiling. as the object swings through its lowest position, where the rope is vertical, the speed of the object is 5.80 m/s. at this point in the motion, what is the tension in the rope? (use g = 9.80 m/s2.)
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What is the coefficient of kinetic friction μk between the block and the tabletop?
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A vertical, solid steel post 39 cm in diameter and 3.30 m long is required to support a load of 9900...
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