Physics, 18.02.2020 20:57 Jazminfun70
A fully loaded, slow-moving freight elevator has a cab with a total mass of 1400 kg, which is required to travel upward 56 m in 4.9 min, starting and ending at rest. The elevator's counterweight has a mass of only 900 kg, so the elevator motor must help pull the cab upward. What average power is required of the force the motor exerts on the cab via the cable
Answers: 3
Physics, 21.06.2019 21:50, porkhappycom
It is may 5 and you are somewhere in the northern hemisphere. if you determine that the noon sun is 51 degrees above your southern horizon, what is the latitude of your location
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Physics, 22.06.2019 00:40, naomicervero
The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.
Answers: 1
A fully loaded, slow-moving freight elevator has a cab with a total mass of 1400 kg, which is requir...
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