Consider an electric motor with a shaft power output of 22.5 kw and an efficiency of 85%. determine the rate at which the motor dissipates heat to the room it is in when the motor operates at full load. in winter, this room is normally heated by a 2.5 kw resistance heater. determine if it is necessary to turn the heater on when the motor runs at full load
Answers: 3
Another question on Physics
Physics, 22.06.2019 10:00
The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.
Answers: 3
Physics, 22.06.2019 10:40
When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is
Answers: 2
Physics, 22.06.2019 12:40
Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)
Answers: 2
Physics, 22.06.2019 16:00
What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 ∘c/m.
Answers: 3
You know the right answer?
Consider an electric motor with a shaft power output of 22.5 kw and an efficiency of 85%. determine...
Questions
Mathematics, 25.06.2019 18:30
Physics, 25.06.2019 18:30
Mathematics, 25.06.2019 18:30
Mathematics, 25.06.2019 18:30
Social Studies, 25.06.2019 18:30
Mathematics, 25.06.2019 18:30
Mathematics, 25.06.2019 18:30
Mathematics, 25.06.2019 18:30
