Dab tsi yog tus qauv rau kev ncua deb ntawm lub cev science?
Dab tsi yog tus qauv rau kev ncua deb ntawm lub cev science?

Video: Dab tsi yog tus qauv rau kev ncua deb ntawm lub cev science?

Video: Dab tsi yog tus qauv rau kev ncua deb ntawm lub cev science?
Video: Upper Harbor Terminal Concepts Hmong Translation 2024, Hlis ntuj nqeg
Anonim

Nyob deb Lub Sijhawm Ceev Formula . Speed yog ib qho kev ntsuas ceev npaum li cas cov khoom txav ntawm ib qho mus rau lwm qhov. Nws yog sib npaug rau cov nyob deb taug kev faib los ntawm lub sijhawm. Nws muaj peev xwm nrhiav tau ib qho ntawm peb qhov txiaj ntsig siv ob qho ntxiv.

Kuj paub, tus qauv rau kev ncua deb hauv science yog dab tsi?

Txhawm rau daws qhov kev ncua deb siv tus qauv rau kev ncua deb d = st, lossis nrug sib npaug ceev sij hawm. Rate thiab ceev zoo sib xws vim lawv ob leeg sawv cev rau qee qhov kev ncua sij hawm ib chav tsev xws li mais tauj ib teev lossis kilometers ib teev. Yog tus nqi r yog tib yam li ceev s, r = s = d/t.

Tsis tas li ntawd, koj yuav xam qhov deb li cas? Cov hauj lwm ntawm cov lus nyob rau hauv daim duab peb sab qhia qhov twg lawv yuav tsum tau mus rau hauv qhov sib npaug. Txhawm rau nrhiav qhov nrawm, nyob deb yog dhau sij hawm nyob rau hauv daim duab peb sab, yog li ceev yog nyob deb muab faib los ntawm lub sijhawm. Nrhiav nyob deb , ceev yog ib sab ntawm lub sij hawm, yog li ntawd nyob deb yog ceev multiplied los ntawm lub sij hawm.

Xav txog qhov no, qhov kev ncua deb ntawm lub cev yog dab tsi?

Nyob deb yog ib qho scalar ntau uas hais txog "ntau npaum li cas hauv av ib yam khoom tau npog" thaum nws txav. Displacement yog ib tug vector kom muaj nuj nqis uas yog hais txog "yuav deb npaum li cas ntawm qhov chaw ib yam khoom yog"; nws yog tus kwv lub zuag qhia tag nrho kev hloov nyob rau hauv txoj hauj lwm.

Qhov kev ncua deb ntawm cov ntsiab lus yog dab tsi?

Cov nrug ntawm ob cov ntsiab lus yog qhov ntev ntawm kab ntu txuas lawv. Nco ntsoov tias cov nrug ntawm ob cov ntsiab lus yog ib txwm zoo. Cov ntu uas muaj qhov ntev sib npaug yog hu ua ntu sib txuas.

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