Engineering, 24.11.2020 22:00 JeroMii
The use of seat belts in cars has significantly reduced the number of crash
fatalities. Which statement best explains how societal demand guided the
development of seat-belt technology?
A. Engineers improved the design of seat belts because consumers
wanted them to be easier to use.
B. Car manufacturers recognized the dangers of not wearing seat
belts in cars and then lobbied the government to make laws that
required their use.
C. Engineers developed seat-belt technology and then began a public
awareness campaign to educate people on how they could be
used to make cars safer.
D. When new seat-belt technology became available, consumers
began to demand their inclusion in all new cars.
Answers: 3
Engineering, 04.07.2019 18:10
Assuming compressible flow of air and that the measurements are done at flagstaff a pitot static tube that gives the difference of total and static pressure measures 0.35 m of mercury. what is the velocity of air? assume the temperature to be 300k. (submit your excel or matlab calculation sheet)
Answers: 1
Engineering, 04.07.2019 18:10
Which of the following controllers anticipates the future from the slope of errors over time? a)-proportional b)-on/off c)-integral d)-derivative.
Answers: 2
Engineering, 04.07.2019 19:20
The process in which the system pressure remain constant is called a)-isobaric b)-isochoric c)-isolated d)-isothermal
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Engineering, 06.07.2019 02:30
An electric motor is used to drive a power press which makes steel turning moment diagrams 323 pressings from a metal sheet. the motor runs at a mean speed of 50 rev/s. the torque required is 10.0nm for 0.2s, followed by 1.0nm for0.3 s with this sequence then being repeated. what is the minimum power required of the motor and the moment of incrtia required for the t1ywhcel if the speed fluctuations are to be restricted to 1.5%?
Answers: 3
The use of seat belts in cars has significantly reduced the number of crash
fatalities. Which state...
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