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Category > Physics Posted 24 Apr 2017 My Price 2.00

The machine B is belt-driven by the electric motor

 

The machine B is belt-driven by the electric motor A that has an efficiency of 85%. When the motor is running at 25 rad/s, the tension in the upper part of the belt is 90 N greater than in the lower part. Determine the power consumption of the motor in horsepower (hp).

 

 

 
 

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Alpha Geek
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Status NEW Posted 24 Apr 2017 06:04 AM My Price 2.00

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file 1493013839-Answer.docx preview (71 words )
T-----------he -----------mac-----------hin-----------e B----------- is----------- be-----------lt------------dri-----------ven----------- by----------- th-----------e e-----------lec-----------tri-----------c m-----------oto-----------r A----------- th-----------at -----------has----------- an----------- ef-----------fic-----------ien-----------cy -----------of -----------85%-----------. W-----------hen----------- th-----------e m-----------oto-----------r i-----------s r-----------unn-----------ing----------- at----------- 25----------- ra-----------d/s-----------, t-----------he -----------ten-----------sio-----------n i-----------n t-----------he -----------upp-----------er -----------par-----------t o-----------f t-----------he -----------bel-----------t i-----------s 9-----------0 N----------- gr-----------eat-----------er -----------tha-----------n i-----------n t-----------he -----------low-----------er -----------par-----------t. -----------Det-----------erm-----------ine----------- th-----------e p-----------owe-----------r c-----------ons-----------ump-----------tio-----------n o-----------f t-----------he -----------mot-----------or -----------in -----------hor-----------sep-----------owe-----------r (-----------hp)-----------. ----------- S-----------olu-----------tio-----------n: ----------- Po-----------wer----------- =a-----------ngu-----------lar----------- sp-----------eed-----------* T-----------orq-----------ue ----------- 0-----------.85-----------*P -----------= 2-----------5*[-----------20*-----------(15-----------/12-----------)] -----------0.8-----------5 *----------- P -----------= 6-----------25 ----------- P----------- = -----------735-----------.29----------- lb-----------*ft-----------/s ----------- P----------- = -----------1.3-----------37 -----------hp ----------- -----------
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