Physics, 22.07.2021 15:40 parminder44
một con lắc lò xo đặt nằm ngang gồm vật m và lò xo có độ cứng k= 200 N/m . kích thước để vật dao động điều hòa với động năng cực đại
Answers: 3
Physics, 21.06.2019 17:40, duncanje5783
Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars
Answers: 2
Physics, 22.06.2019 10:00, jeffffffff
**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z
Answers: 1
Physics, 22.06.2019 19:20, goawayyounoob21
Aproduction line at v. j. sugumaran's machine shop has three stations. the first station can process a unit in 7 minutes. the second station has two identical machines, each of which can process a unit in 16 minutes (each unit only needs to be processed on one of the two machines). the third station can process a unit in 10 minutes. ▼ is the bottleneck station, with a bottleneck time of nothing minutes per unit (enter your response as a whole number).
Answers: 3
một con lắc lò xo đặt nằm ngang gồm vật m và lò xo có độ cứng k= 200 N/m . kích thước để vật dao độn...
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