_11. if you applied a force of 150 lb to push a car 30' in 2 minutes, how much
horsepower woul...
Engineering, 22.11.2019 18:31 jennarosebrand3518
_11. if you applied a force of 150 lb to push a car 30' in 2 minutes, how much
horsepower would have been used?
xr) or (f=t/r)
_ 12. you have a lug nut that needs 80 ft-lb of torque. you have a 14" ratchet. how
much force would it require?
_ 13. is it better to use an 8" ratchet or a 14" ratchet to tighten the lug nut? why?
_ 14. you have a system with two gears. the driver gear has 48 teeth and the driven
gear has 12. what is the gear ratio?
loy
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Answers: 1
Engineering, 03.07.2019 14:10, makaylashrout77
Amass of 1.5 kg of air at 120 kpa and 24°c is contained in a gas-tight, frictionless piston-cylinder device. the air is now compressed to a final pressure of 720 kpa. during the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the boundary work input during this process.
Answers: 2
Engineering, 03.07.2019 15:10, brooklyn674
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
Answers: 3
Engineering, 03.07.2019 15:10, EmilySerna
Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.
Answers: 1
Engineering, 04.07.2019 16:10, TheOriginalMeyah
An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)
Answers: 2
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