Mopeds (small motorcycles with an engine capacity below 50 cm3) are very popular in europe because of their mobility, ease of operation, and low cost. the article “procedure to verify the maximum speed of automatic transmission mopeds in periodic motor vehicle inspections” (j. of automobile engr.,2008: 1615–1623) described a rolling bench test for determining maximum vehicle speed. a normal distribution with mean value 46.8 km/h and standard deviation 1.75 km/h is postulated. consider randomly selecting a single such moped. a.what is the probability that maximum speed is at most 50 km/h? b. what is the probability that maximum speed is at least 48 km/h? c. what is the probability that maximum speed differs from the mean value by at most 1.5 standard deviations?
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Physics, 21.06.2019 23:30
Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle
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Physics, 22.06.2019 04:30
Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j
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Physics, 22.06.2019 12:00
Asolid round steel rod 6.25 mm in diameter and 375 mm long is rigidly bonded to the end of solid square brass rod 25 mm on a side and 300 mm long. the geometric axes of the bare are along the same line. an axial tensile force of 5.4 kn is applied at the extreme ends of the assembly. for steel e = 200 gpa and for brass e = 90 gpa. determine the total elongation for the assembly.
Answers: 1
Mopeds (small motorcycles with an engine capacity below 50 cm3) are very popular in europe because o...
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