Physics, 06.10.2021 19:10 cduckworth7558
Two discs are rotating about an axis as shown in the figure. The moment of inertia
of the right disc is 2 kg m2 and it rotates with angular speed of 2000 rpm. The
moment of inertia of the left disc is 5 kg m2 and it rotates in the opposite direction
with angular speed of 100 rpm. The discs are suddenly clamped together.
Determine the final common angular speed of the clamped discs.
Answers: 2
Physics, 21.06.2019 18:00
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Iron reacts with sulfur to form iron sulfide. if 60 grams of iron reacts with sulfur to produce 90 grams of iron sulfide, how much sulfur has been used in the chemical reaction?
Answers: 3
Physics, 22.06.2019 00:30
Next a skier is pulled by a tow rope up a frictionless ski slope that makes an angle of 15 with the horizontal. the rope moves parallel to the slope with a constant speed of 0.69 m/s. the force of the rope does 800 3 of work on the skier as the skier moves a distance of 8.4 m up the incline. (a) if the rope moved with a constant speed of 2.2 m/s how much work would the force of the rope do on the skier as the skler moved a distance of 8.4 m up the incline? at what rate is the force of the rope doing work on the skier when the rope moves with a speed of (b) 0.69 m/s and (c) 2.2 m/s?
Answers: 1
Physics, 22.06.2019 02:30
Agas initially at p1 = 1 bar and occupying a volume of 0.5 liter is compressed within a piston–cylinder assembly to a final pressure p2 = 4 bar. (a) if the relationship between pressure and volume during the compression is pv = constant, determine the volume, in liters, at a pressure of 3 bar. (b) repeat for a linear pressure–volume relationship between the same end states. reference
Answers: 1
Two discs are rotating about an axis as shown in the figure. The moment of inertia
of the right di...
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