From section 3β12, the maximum shear stress in a solid round bar of diameter, d, due to an applied torque, t, is given by ο¨ ο© 3 16 / . ο΄ ο° max ο½ t d a round, cold-drawn 1018 steel rod is subjected to a mean torsional load of t=1.5 kn ? m with a standard deviation of 145 n β’ m. the rod material has a mean shear yield strength of ssy ο½ 312 mpa with a standard deviation of 23.5 mpa. assuming the strength and load have normal distributions, what value of the design factor nd corresponds to a reliability of 0.99 against yielding? determine the corresponding diameter of the rod.
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Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.
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Two loudspeakers, 5.5 m apart and facing each other, play identical sounds of the same frequency. you stand halfway between them, where there is a maximum of sound intensity. moving from this point toward one of the speakers, you encounter a minimum of sound intensity when you have moved 0.33 m . assume the speed of sound is 340 m/s.part a) what is the frequency of the sound? part b) if the frequency is then increased while you remain 0.21 m from the center, what is the first frequency for which that location will be a maximum of sound intensity? express your answer to two significant figures and include the appropriate units.
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From section 3β12, the maximum shear stress in a solid round bar of diameter, d, due to an applied t...
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