A fan uses a rotating blade to moves 2m3 of air each second at a speed of 3 m/s. Assumes air is initially at rest and has a density of 1 kg/m3. Fans are inefficient; assume an efficiency of 10%.
What is the acceleration of the air? m/s2
What is the mass of the air? kg
What is the force the fan applies? N
What is the power output of the fan? W
What is the power input of the fan? W
Answers: 1
Another question on Physics
Physics, 21.06.2019 18:50
Study the following reaction carefully. what classification should this reaction have? 4al + 3o2 2al2o3synthesisdecompositionsingle replacementdouble displacement
Answers: 1
Physics, 22.06.2019 02:30
The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information
Answers: 3
Physics, 22.06.2019 18:30
Aheavy piece of hanging sculpture is suspended by a90-cm-long, 5.0 g steel wire. when the wind blows hard, the wire hums at its fundamental frequency of 80hz. what is the mass of the sculpture?
Answers: 3
Physics, 22.06.2019 19:00
What is the gravitational attraction between a dating couple whose centers of mass are 0.630 m apart if the boy weighs 715 n and the girl weighs 465 n?
Answers: 3
You know the right answer?
A fan uses a rotating blade to moves 2m3 of air each second at a speed of 3 m/s. Assumes air is init...
Questions
English, 01.03.2021 02:30
Mathematics, 01.03.2021 02:30
Mathematics, 01.03.2021 02:30
Mathematics, 01.03.2021 02:30
Mathematics, 01.03.2021 02:30
Mathematics, 01.03.2021 02:30
English, 01.03.2021 02:30
Spanish, 01.03.2021 02:30
Chemistry, 01.03.2021 02:30
Spanish, 01.03.2021 02:30
Mathematics, 01.03.2021 02:30
Arts, 01.03.2021 02:30
