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、.. thetract i.210mari.otaeninslerationierate fror along whatlar track (distance measu okn perimeter) and begins to accelerate from rest. What constant tangential acceler needed for the cars total acceleration magnitude to be 6 m/s? when it reaches B? The radius of the track is 210n
Assume that you ofusing (8 m)? Assume a cost or so.17 per k W-h of electricity. What is have constructed an elevator with an overall efficiency of 85%, what is the cost this elevator to raise itself (290 kg) and a single passenger (60 kg) up four stories the average power needed if it takes 18 s to complete the trip? 8
engineering   Mechanical-Engineering   
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ニー(260 +75)YYS2x 20 =-86127丁 tooox3600 -o-o I 8 2 575 KNhr . $ 0.003185 6572k watt 4453 Wad Power

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