Video: Lub tsheb sib tsoo ntawm qhov ceev yog dab tsi?
2024 Tus sau: Taylor Roberts | [email protected]. Kawg hloov kho: 2023-12-16 00:29
Lub tsheb sib tsoo ua rau neeg tuag taus yog qhov tsis yooj yim sua ntawm kev nrawm 70mph ua lossis ntau dua.
Ib yam li ntawd, koj puas tuaj yeem muaj sia nyob 70 mph sib tsoo?
Yog tias ob lub tsheb hauv ib qho xwm txheej yog taug kev sai dua 43 mph , muaj feem ntawm ciaj sia ib lub taub hau sib tsoo poob. Ib txoj kev tshawb fawb qhia tau hais tias ob npaug ntawm qhov ceev ntawm 40 mus rau 80 ua tau quadruples lub zog ntawm kev cuam tshuam. Txawm ntawm 70mph ua , koj muaj feem ntawm ciaj sia ib lub taub hau kev sib tsoo poob rau 25 feem pua.
Tsis tas li ntawd, lub zog tsheb sib tsoo ntau npaum li cas? Yam g- zog hauv motor- tsheb sib tsoo . Raws li GSU's HyperPhysics Project, 160 lb tus neeg hnav lub rooj zaum thiab taug kev tsuas yog 30 mais toj ib teev-kev paub ib puag ncig 30 g ntawm zog hauv ntej-kawg kev sib tsoo nrog ib qho khoom ruaj khov. Qhov ntawd yog 2.4 tons ntawm zog ua rau lub cev!
Kuj paub yog, qhov ceev npaum li cas feem ntau cov tsheb khiav tuag?
Kwv yees li 70 feem pua ntawm tag nrho cov kev sib tsoo tuag ntawm txoj kev nrog ceev txwv ntawm 40 mph lossis tsawg dua yog nyob hauv nroog. Me ntsis tsawg dua ib nrab (47%) ntawm txhua qhov kev sib tsoo tuag uas tshwm sim ntawm txoj kev nrog kev txwv nrawm ntawm 45 thiab 50 mph yog nyob deb nroog.
Yuav ua li cas koj thiaj yuav tuag hauv tsheb sib tsoo?
Xav txog kev tuag nyob rau hauv Teb Chaws Asmeskas xyoo ntawd tag nrho tsawg dua 2.6 lab, tus neeg Amelikas tus neeg tsav tsheb qhov teeb meem ntawm kev tuag vim yog kev raug mob ntawm lub tsheb. sib tsoo (uas suav nrog cov neeg taug kev, cov neeg caij tsheb kauj vab thiab cov neeg caij tsheb kauj vab koom nrog tsheb sib tsoo ) tawm mus txog 1 hauv 77 - ua rau nws yog ib qho ntawm
Pom zoo:
Dab tsi yog qhov kev sib tsoo feem ntau ntawm tsheb thiab maus taus?
Qhov xwm txheej uas txaus ntshai tshaj plaws rau cov neeg caij tsheb kauj vab tshwm sim thaum lub tsheb tig laug. Cov kev sib tsoo no suav txog 42% ntawm tag nrho cov xwm txheej cuam tshuam nrog lub maus taus thiab tsheb. Feem ntau, lub tsheb tig tsoo lub maus taus thaum lub tsheb kauj vab yog: mus ncaj los ntawm kev sib tshuam
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