Engineering, 14.09.2019 00:10 onlymyworld27
Amass of 500 kg is lowered at a constant velocity of 0.2 m/sec by means of a rope. calculate the instantaneous stress induced in the rope if (a) the rope length is 2 m when all movement is stopped at the upper end of the rope; and (b) when the rope length is 6 m (e =210 gpa).
Answers: 3
Engineering, 04.07.2019 18:10
Aflywheel accelerates for 5 seconds at 2 rad/s2 from a speed of 20 rpm. determine the total number of revolutions of the flywheel during the period of its acceleration. a.5.65 b.8.43 c. 723 d.6.86
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Engineering, 04.07.2019 18:10
Hydraulic fluid with a sg. of 0.78 is flowing through a 1.5 in. i.d. pipe at 58 gal/min. the fluid has an absolute viscosity of 11.8 x 105 lbf-sec/ft2. is the flow laminar, turbulent or within the critical range? give both a numerical reynolds number and a term answer.
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Engineering, 04.07.2019 19:10
The sum of the normal stresses does not change as the stress state rotates through an angle. a)-trune b)- false
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Engineering, 04.07.2019 19:10
Plan an experiment to measure the surface tension of a liquid similar to water. if necessary, review the ncfmf video surface tension for ideas. which method would be most suitable for use in an undergraduate laboratory? what experimental precision could be expected?
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Amass of 500 kg is lowered at a constant velocity of 0.2 m/sec by means of a rope. calculate the ins...
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