Engineering, 20.10.2020 01:01 selenaK9514
Three small spheres A, B, and C, each of mass m, are connected to a small ring D of negligible mass by means of three inextensible,
inelastic cords of length l. The spheres can slide freely on a frictionless horizontal surface and are rotating initially at a speed v0 about ring D, which is at rest. Suddenly the cord CD breaks. After the other two cords have again become taut, determine
(a) the speed of ring D,
(b) the relative speed at which spheres A and B rotate about D,
(c) the fraction of the original energy of spheres A and B that is dissipated when cords AD and BD again became taut.
Answers: 3
Another question on Engineering
Engineering, 04.07.2019 18:10
Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.
Answers: 3
Engineering, 04.07.2019 18:10
Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way
Answers: 2
Engineering, 04.07.2019 18:10
Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg.k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m.k
Answers: 2
Engineering, 04.07.2019 18:20
What is the heat treatment of metals? what is the benefit of it? why and how it's useful? answer in details, do not write by hand.
Answers: 3
You know the right answer?
Three small spheres A, B, and C, each of mass m, are connected to a small ring D of negligible mass...
Questions
Social Studies, 17.06.2020 22:57
Mathematics, 17.06.2020 22:57
Mathematics, 17.06.2020 22:57
History, 17.06.2020 22:57
Mathematics, 17.06.2020 22:57
English, 17.06.2020 22:57
Mathematics, 17.06.2020 22:57
Mathematics, 17.06.2020 22:57
