Veocity yog vector, uas yog qhov ntsuas uas suav nrog qhov loj thiab qhov taw qhia. … Cov khoom muaj tib lub nrawm nkaus xwb yog tias lawv txav ntawm qhov nrawm thiab nyob rau tib qho kev taw qhia. Cov khoom txav ntawm qhov sib txawv, sib txawv, lossis ob leeg muaj qhov sib txawv.
Yuav nrawm npaum li cas?
Ntau zaus qhov nrawm ntawm ib yam khoom tsis tas li. Nws tuaj yeem hloov tau thaum lub sijhawm dhau mus. Thaum qhov no tshwm sim, koj tuaj yeem suav qhov nrawm nrawm rau qhov khoom. Koj yuav tsum paub tag nrho qhov kev hloov pauv thiab lub sijhawm uas dhau mus thaum lub sijhawm tag nrho qhov kev hloov pauv.
Puas nrawm nrawm?
Txhais tau hais tias, ib qho khoom txav mus rau hauv ib puag ncig kev txav txav mus los ntawm ib puag ncig ntawm lub voj voog nrog qhov nrawm tas li. Thaum qhov ceev ntawm qhov khoom yog tas li, nws qhov nrawm hloov. Kev nrawm, ua vector, muaj qhov loj me tab sis hloov pauv.
Muaj pes tsawg hom kev tshaj tawm?
Txoj kev sib txawv yog uniform tshaj tawm, sib txawv tshaj tawm, nruab nrab tshaj tawm thiab nrawm nrawm.
ob lub nrawm yog dab tsi?
Nyob rau hauv polar coordinates, ib tug ob-dimensional tshaj tawm yog piav los ntawm ib tug radial tshaj tawm, txhais tau tias yog cov feem ntawm tshaj tawm ntawm los yog mus rau lub hauv paus chiv keeb (tseem hu ua tshaj tawm ua zoo.), thiab angular tshaj tawm, uas yog tus nqi ntawm kev sib hloov ntawm lub hauv paus chiv keeb (nrogCov khoom muaj txiaj ntsig zoo sawv cev rau qhov sib npaug ntawm lub moos…
