g↔ft/s2 1g = 32.174049 ft/s2.
Apha, Ukhawuleza kangakanani umxhuzulane mph? Isantya kunye nomgama oHanjwe yinto yokuwa yasimahla
Ixesha (s) | Velocity | |
---|---|---|
m / s | mph | |
1 | 9.8 | 21.9 |
2 | 19.6 | 43.8 |
3 | 29.4 | 65.8 |
Lithini ixabiso lokukhawuleziswa komxhuzulane kwi-Ft s2? ukukhawuleza komxhuzulane (uphawu g)
Ixabiso elisezantsi lomxhuzulane, okanye umxhuzulane oqhelekileyo, g, uchazwa njenge go=980.665 iisentimitha ngesekondi enye, okanye 32.1741 iinyawo ngesekondi nganye.
Ukongeza Yintoni umxhuzulane kuguqulo? Umxhuzulane oqhelekileyo, okanye ukukhawulezisa okusemgangathweni ngenxa yokuwa ngokukhululekileyo, ngokuqhelekileyo kubonakaliswa ngu-g0 igolide gn, kukukhawuleza okuqhelekileyo komzimba kwindawo efunxayo kufutshane nomphezulu woMhlaba. Ichazwa ukuba ichanekile 9.80665 m / s2 okanye 35.30394 (km/h)/s (~32.174 ft/s2 okanye ~21.937 mph/s).
Ngaba i-lb iyalingana ne-lbf? “Lbf” ibhekisa kumandla omxhuzulane abekwe yinto ephezu komhlaba, ngelixa “lb” ibhekisa kumlinganiselo wamandla. Amandla ephawundi alingana nemveliso ye-1 yeepawundi kunye nomhlaba womxhuzulane. "Lb" kunye "lbf" ngokufanayo ziyafana omnye komnye kuba zombini zibandakanya amandla afanayo.
Zingaphi ii-Gs ezingama-70 mph?
umgangatho womxhuzulane ukuya kumayile ngeyure ngetshathi yoguqulo lwesibini
umgangatho womxhuzulane | imayile ngeyure ngesekondi |
---|---|
40 | 877.47405153901 |
50 | 1096.8425644238 |
60 | 1316.2110773085 |
70 | 1535.5795901933 |
Umntu unokuwa ngokukhawuleza kangakanani? Kwindawo ezinzileyo, esiswini ukuya emhlabeni, isantya sokuphela komzimba womntu simalunga nama-200 km/h.malunga ne-120 mph). I-stable, i-freefly, i-head down position ine-terminal speed malunga ne-240-290 km / h (malunga ne-150-180 mph).
Ungakanani u-G anokuthi athathwe ngumntu? Abantu abaqhelekileyo banokumelana nohayi ngaphezulu kwe-9 g, Kwaye nokuba yimizuzwana embalwa. Xa uphantsi kokukhawulezisa i-9 g's, umzimba wakho uziva unzima izihlandlo ezilithoba kunesiqhelo, igazi ligijimela iinyawo, kwaye intliziyo ayinakupompa ngokwaneleyo ukuzisa eli gazi linzima kwingqondo.
I-1G ithetha ukuthini umxhuzulane?
Umxhuzulane ngumtsalane phakathi kwazo naziphi na iindimbane ezimbini, ezininzi ezibonakala xa ubunzima obunye bukhulu kakhulu (njengoMhlaba). Ukukhawuleza kwento ukuya emhlabeni okubangelwa ngumxhuzulane wodwa, kufutshane nomphezulu woMhlaba, kubizwa ngokuba “eqhelekileyo-umxhuzulane,” okanye 1g. Olu khawuleziso lulingana no-32.2 ft/sec2 (9.8m/umzuzwana2).
Kwakhona Yintoni intsingiselo ye-m S²? ukukhawuleza. Uphawu. Nksk2. The imitha ngesekhondi ephindwe kabini yinxalenye yesantya kwiNkqubo yeeYunithi zaMazwe ngaMazwe (SI). Njengeyunithi efunyenweyo, iqulunqwe kwiiyunithi zesiseko ze-SI zobude, imitha, kunye nexesha, okwesibini.
Ithetha ukuthini i-1G kwifiziksi?
I-g-force ngumlinganiselo wesantya. 1G yi isantya esisivayo ngenxa yamandla omxhuzulane. Yinto egcina iinyawo zethu zityalwe ngokuqinileyo emhlabeni. Umxhuzulane ulinganiswa ngeemitha ngesekondi ephindwe kabini, okanye m/s2. Emhlabeni, ukukhawuleza komxhuzulane ngokubanzi kunexabiso le-9.806 m/s2 okanye 32.1740 f/s2.
Ingakanani i-1g? Ukukhawuleziswa kwento ukuya emhlabeni okubangelwa ngumxhuzulane wodwa, kufutshane nomphezulu woMhlaba, kubizwa ngokuba “ngumxhuzulane oqhelekileyo,” okanye 1g. Olu khawuleziso lulingana no-32.2 ft/sec2 (9.8 m / umzuzwana2).
Ubalwa njani umxhuzulane?
Ukubala amandla omxhuzulane wento, sebenzisa ifomula: amandla womxhuzulane = mg, apho u-m bubunzima bento kwaye u-g kukukhawulezisa kwento ngenxa yomxhuzulane. Kuba u-g uhlala eyi-9.8 m/s^2, phinda-phinda ubunzima bento ngo-9.8 kwaye uyakufumana amandla ayo womxhuzulane!
Ngubani ofumanise u-9.8 s2?
Galileo waye wamisela isantya ngenxa yomxhuzulane (g) wazo zonke izinto ezikufutshane nomphezulu woMhlaba ekuqaleni koo-1600 njenge g=9.8ms2.
Ndiyibala njani i-lbf? Ukuguqula phakathi kobunzima beepounds (lbm) kunye nePounds-force (lbf)
1. Sebenzisa uMthetho we-2 kaNewton (F=ma) ukufumana ubunzima kwi-lbm∙ft/s2. 2 2. Guqula ubunzima ukusuka kwi-lbm∙ft/s2 ukuya kwi-lbf usebenzisa ubudlelwane 1 lbf=32.174 lbm∙ft/s2.
Ngaba i-lbf iyafana no-N? Iponti yamandla okanye iponti-force (uphawu: lbf, ngamanye amaxesha lb f ,) yiyunithi yamandla esetyenziswa kwezinye iinkqubo zokulinganisa, kubandakanywa iiyunithi zobuNjineli besiNgesi kunye ne-foot–pound–second system.
...
Iponti (amandla)
Amandla eponti | |
---|---|
umqondiso | lbf |
Ukuguqulwa | |
1 lbf kwi... | … Ilingana no… |
Iiyunithi ze-SI | 4.448222 N |
Ngaba i-lbf iyafana ne-PSI?
Luxinzelelo oluphuma kumandla eponti enye esetyenziswa kwindawo yesikwere intshi. Kwiiyunithi ze-SI, i-psi eyi-1 iphantse ilingane no-6895 Pa.
...
Iponti nge-intshi nganye yesikwere | |
---|---|
Inkqubo yeyunithi | Iiyunithi zobukhosi, iiyunithi zesiko laseMelika |
Icandelo le | Uxinzelelo, Uxinzelelo |
umqondiso | psi okanye lbf / in 2 |
Ukuguqulwa |
Ikhawuleza kangakanani i-6G? Ezinye iingcali zikholelwa ukuba iinethiwekhi ze-6G zinokukuvumela ngenye imini ukuba ubethe isantya esiphezulu i-terabit enye ngesekhondi (Tbps) kwisixhobo se-intanethi. Liwaka eliphindwe ngokukhawuleza kune-1 Gbps, esona santya sikhawulezayo sifumaneka kwiinethiwekhi ezininzi ze-intanethi zasekhaya namhlanje. Ngamaxesha ali-100 ngokukhawuleza kune-10 Gbps, isantya esiphezulu se-5G.
Zingaphi ii-G zerola?
Abakhweli be-roller coaster batsala amanqanaba ahlukeneyo e-G-kodwa abafane bafumane ngaphaya 4 G's, ngokukaSanjay Gupta. Owona mandla uphezulu we-G kwi-roller coaster yakhe yaba yi-6.3 G's. I-Slingshot ikhwele i-G-force iphakathi kwe-3 ukuya kwi-5 G kwaye inokubangela ukuba uphume amatyeli amaninzi ngexesha lokuhamba.
Ingaba i-5G ivakala njani? Ukunyuka okunyukayo malunga ne-5g kwanele ukugqithisa ukwazi yentliziyo yakho ukumpompa igazi ebuchotsheni bakho. … Amadama egazi entloko yakho, ubuso bakho budumbile kwaye iinkophe zakho ezisezantsi zinyanzeleke phezu kwamehlo akho. Oku kubizwa ngokuba yi-'redout' kuba konke okubonayo kukukhanya okukhanya kwiinkophe zakho.
Ngaba imizimba iyagxuma xa ibetha emhlabeni?
Hayi. Kukuthotywa kwesantya sesibini (“negative g forces”) esikubulalayo. Umzimba womntu unokunyamezela malunga nokuthabatha i-50 g yokunciphisa ixesha elifutshane. Ngokuqhelekileyo ukuwa kwamahhala kunye nokubetha umhlaba oqinileyo ukusuka kwi-25 m ukuphakama kuqwalaselwa ubulale.
Umntu angawa kangakanani engonzakali? I-anecdotal threshold yokugcina ukulimala okubalulekileyo ekuweni okuthe nkqo kuchazwe yi-American College of Surgeons' Committee on Trauma (ACS-COT) e. > Iinyawo ezingama-20 (iimitha ezi-6) [3]. Lo mqobo ungqinisiswa lincwadi epapashiweyo yamaxhoba asuka kwimpazamo yokuzibulala ngengozi [1].
Ngaba umzimba wakho uyaqhuma xa uwa?
Iiseli zakho zinokugqabhuka
Ukuhla ngokukhawuleza - into eyenzekayo ukuba umzimba womntu uyawa kwaye emva koko wenze impembelelo yesiquphe - kunokubangela ukuba iiseli ziqhekeke. Njengeeseli, imithambo yegazi nayo inokuvuleka, ithintele ukuhamba kweoksijini kuwo wonke umzimba.