Txoj kab nqes ntawm VS daim duab sawv cev li cas?
Txoj kab nqes ntawm VS daim duab sawv cev li cas?

Video: Txoj kab nqes ntawm VS daim duab sawv cev li cas?

Video: Txoj kab nqes ntawm VS daim duab sawv cev li cas?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Lub peb hlis ntuj
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Cov txoj kab nqes ntawm ib lub nrawm daim duab sawv cev lub acceleration ntawm cov khoom. Yog li, tus nqi ntawm cov txoj kab nqes ntawm lub sijhawm tshwj xeeb sawv cev lub acceleration ntawm cov khoom nyob rau ntawd instant.

Kuj nug, txoj kab nqes ntawm qhov kev ncua deb piv rau lub sij hawm daim duab yog dab tsi?

Cov gradient ntawm qhov deb - lub sij hawm graph sawv cev qhov ceev ntawm ib yam khoom. Cov nrawm ntawm ib yam khoom yog nws ceev nyob rau hauv ib qho kev taw qhia. Cov txoj kab nqes ntawm a nrawm - lub sij hawm graph sawv cev acceleration ntawm ib yam khoom.

Kuj Paub, qhov ntau npaum li cas qhov nqes hav ntawm txhua daim duab sawv cev? On ib daim duab ntawm v piv rau lub sijhawm, dab tsi kom muaj nuj nqis ua txoj kab nqes ntawm duab sawv cev ? Cov txoj kab nqes yog sawv cev rau kev hloov pauv hauv v dhau qhov kev hloov pauv hauv lub sijhawm. Los ntawm kev txhais, qhov no yog acceleration.

Dhau li ntawm no, txoj kab nqes ntawm daim duab sawv cev li cas?

Cov txoj kab nqes ntawm ib txoj haujlwm linear sawv cev tus nqi hloov ntawm qhov kev ua haujlwm ntawd. Nyob ntawm seb koj kawm qhov twg txoj kab nqes kuj sawv cev qhov tsis tu ncua ntawm proportionality ntawm ob qhov ntau uas sib txawv ncaj qha nrog ib leeg (piv txwv li lawv qhov piv yog ib txwm muaj tus nqi tas li).

Tus qauv rau kev ceev yog dab tsi?

daws rau ceev los yog siv tus nqi formula rau ceev , s = d/t uas txhais tau tias ceev sib npaug nrug muab faib los ntawm lub sij hawm. Yuav kom daws tau lub sijhawm siv lub qauv rau lub sij hawm, t = d / s uas txhais tau hais tias lub sij hawm sib npaug zos nrug muab faib los ntawm ceev.

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