Engineering, 23.11.2019 02:31 alton75
If the initial velocity is zero, the downward velocity of the free-falling bungee jumper can be predicted with the following analytical solution: v=gmcd−−−√tanh(gcdm−−−√t) suppose that g = 9.81 m/s2, and m = 68.1 kg, but cd is not known precisely. for example, you might know that it varies uniformly between 0.225 and 0.275 (i. e., ±10% around a mean value of 0.25 kg/m). use the rand function to generate 1000 random uniformly distributed values of cd and then employ these values along with the analytical solution to compute the resulting distribution of velocities at t = 4 s. vary the mass uniformly by ±10%.
find out arithmetic mean, median, mode, minimum, maximum, variance (62) and standard deviation (o) of column vector v. also, draw histogram of velocity of uniform distribution.
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During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false
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Afull journal bearing has a journal diameter of 27 mm, with a unilateral tolerance of -0.028 mm. the bushing bore has a diameter of 27.028 mm and a unilateral tolerance of 0.04 mm. the l/d ratio is 0.5. the load is 1.3 kn and the journal runs at 1200 rev/min. if the average viscosity is 50 mpa-s, find the minimum film thickness, the power loss, and the side flow for the minimum clearance assembly.
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A)-explain briefly the importance of standards in engineering design. b)- what is patent? c)-explain the relationship between these standards: b.s. and b.s.en d)- in engineering design concepts, types of loads and how they act are important factors. explain.
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If the initial velocity is zero, the downward velocity of the free-falling bungee jumper can be pred...
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