Dab tsi yog qhov txawv ntawm instantaneous thiab nruab nrab ceev dab tsi yog qhov piv txwv loj tshaj ntawm kev ceev ceev?

Video: Dab tsi yog qhov txawv ntawm instantaneous thiab nruab nrab ceev dab tsi yog qhov piv txwv loj tshaj ntawm kev ceev ceev?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

Nruab nrab ceev yog cov ceev nruab nrab ntawm ib ncua sij hawm. Instantaneous ceev yuav yog ceev ib qho twg muab tam sim ntawd hauv lub sijhawm ntawd, ntsuas nrog a realtime speedometer.

Tom qab ntawd, ib tug kuj yuav nug, qhov txawv nruab nrab thiab instantaneous ceev yog dab tsi?

tas li ceev yog qhov twg ceev yog tib yam thoob plaws thiab instantaneous ceev yog ceev muab rau txhua lub sijhawm thiab nruab nrab ceev yog tag nrho qhov kev ncua deb tau muab faib los ntawm lub sijhawm nws siv mus ncig nws.

Tsis tas li ntawd, qhov nruab nrab ceev ntawm ib yam khoom thiab nws qhov ceev ceev yuav zoo li cas? Tsis Yog Nruab Nrab Ceev Thiab Instantaneous Speed Can ' t Nyob rau hauv Fact Be The Ib yam.

Kuj Paub, dab tsi yog qhov piv txwv loj tshaj ntawm kev nrawm nrawm?

Koj caij tsheb npav ntawm ib txoj kev uas muaj ob txoj kab hauv tib txoj kev. Lwm lub tsheb npav yog taug kev hauv lwm txoj kab ntawm tib yam tus nqi.

Tus qauv rau nruab nrab ceev yog dab tsi?

Sijhawm = nrug / ceev = 1800/40 = 45 h. Yog li peb tuaj yeem nrhiav tau nruab nrab ceev raws li: Nruab Nrab Ceev = (tag nrho nrug)/(Tag Nrho Lub Sijhawm) = (1800 + 1800) / (30 + 45) = 3600/75 = 48 km / h.

Pom zoo:

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