Afan is designed to last for a certain time before it will have to be replaced (planned obsolescence). the fan only has one speed (at a maximum of 700 rpm), and it reaches the speed in 5.0 s (starting from rest). it takes the fan 7.0 s for the blade to stop once it is turned off. the manufacturer specifies that the fan will operate up to 1 billion rotations. andre lives in a hot climate, works outside of the home from approximately 8: 00 am to 5: 00 pm, monday through friday, does not own an air conditioner, and can't sleep with the fan running. estimate how many hot days n hot andre will be able to use the fan, rounded to the nearest day.
Answers: 3
Physics, 21.06.2019 16:10, andrewisboss59
Amachine, modeled as a simple spring-mass system, oscillates in simple harmonic motion. its acceleration is measured to have an amplitude of 5,000 mm/s with a fre- quency of 10 hz. compute the maximum displacement the machine undergoes during this oscillation.
Answers: 1
Physics, 21.06.2019 17:40, duncanje5783
Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars
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Afan is designed to last for a certain time before it will have to be replaced (planned obsolescence...
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