Engineering, 13.02.2020 02:03 prinxcess1206
A motorist is travelling on a curved section of highway of radius 800 m at a speed of 80 km/h. The motorist applies the brakes, causing the car to slow down at a constant rate. Knowing that after 5 seconds the speed has been reduced to 60 km/h, determine the magnitude of the car’s acceleration
(a) immediately after the brakes have been applied, and
(b) 5 seconds after the brakes have been applied.
Answers: 2
Engineering, 03.07.2019 14:10
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 23:20
Two technicians are discussing the intake air temperature (iat) sensor. technician a says that the computer uses the iat sensor as a backup to the engine coolant temperature (ect) sensor. technician b says that the powertrain control module (pcm) will subtract the calculated amount of fuel if the air measures hot. who is correct
Answers: 3
Engineering, 04.07.2019 16:10
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
Engineering, 04.07.2019 18:10
Determine whether or not it is possible to compress air adiabatically from k to 140 kpa and 400 k. what is the entropy change during this process?
Answers: 3
A motorist is travelling on a curved section of highway of radius 800 m at a speed of 80 km/h. The m...
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