Cov txheej txheem:
Video: Koj ua haujlwm li cas ntawm qhov chaw?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Yuav ua li cas nrhiav thaj tsam ntawm RectangularPrisms:
- Nrhiav tus thaj tsam ntawm ob sab (Length * Qhov siab) * 2 sab.
- Nrhiav tus thaj tsam ntawm nyob ib sab (dav * Qhov siab) * 2 sab.
- Nrhiav tus thaj tsam ntawm xaus (Length * Dav) * 2 xaus.
- Ntxiv peb thaj chaw ua ke los nrhiav cov thaj chaw saum npoo .
- Piv txwv: Cov nto thaj tsam ntawm ib lub prism 5 cm ntev, 3 cm.
Ib yam li ntawd, koj tuaj yeem nug, ua li cas koj ua haujlwm tawm thaj tsam ntawm lub prism?
Cov thaj chaw saum npoo ntawm tej prism yog tag nrho cheeb tsam ntawm tag nrho nws sab thiab ntsej muag. Ib daim duab peb sab prism muaj peb lub kaum sab xis thiab ob lub ntsej muag daim duab peb sab. Yuav nrhiav tau cheeb tsam ntawm cov duab plaub sab, siv cov qauv A = lw, where A = cheeb tsam , l = ntev, thiab h = qhov siab.
Kuj Paub, koj ua li cas nrhiav thaj chaw saum npoo ntawm ib lub polygon? Rau nrhiav tus cheeb tsam ntawm ib txwm polygon , txhua yam koj tau ua yog ua raws li cov qauv yooj yim no: cheeb tsam luas = 1/2 x luas x p. Nov yog qhov nws txhais tau tias: Perimeter = qhov sib npaug ntawm qhov ntev ntawm txhua sab. Apothem = asegment that joins the polygon cov nyob rau hauv nruab nrab ntawm txhua sab uas yog perpendicular rau sab ntawd.
Ib sab ntawm qhov no, koj ua li cas tawm thaj tsam ntawm lub voj voog?
Yog cov khoom yog a lub voj voog , thiab koj paub nws lub voj voog, koj yuav faib lub voj voog los ntawm pi kom pom qhov ntev ntawm qhov lub voj voog . Ib nrab ntawm txoj kab uas hla yog lub vojvoog. Square lub vojvoog thiab muab faib los ntawm pi kom pom qhov cheeb tsam ntawm lub voj voog.
Koj ua haujlwm li cas ntawm qhov ntim ntawm prism?
Txoj Kev 3 Xam Qhov Volume ntawm RectangularPrism
- Sau cov mis rau kev nrhiav qhov ntim ntawm lub rectangularprism. Cov mis tsuas yog V = ntev * dav * qhov siab.
- Nrhiav qhov ntev.
- Nrhiav qhov dav.
- Nrhiav qhov siab.
- Muab qhov ntev, qhov dav, thiab qhov siab.
- Qhia koj cov lus teb hauv cubic units.
Pom zoo:
Qhov chaw ntawm qhov chaw cuam tshuam li cas rau kev poob?
Thaum huab cua tsis kam ua, acceleration thaum lub caij nplooj zeeg yuav tsawg dua g vim huab cua tsis kam cuam tshuam rau kev txav ntawm cov khoom poob los ntawm kev ua kom qeeb. Huab cua kuj nyob ntawm ob yam tseem ceeb - qhov ceev ntawm cov khoom thiab nws qhov chaw nto. Ua kom qhov chaw saum npoo ntawm ib qho khoom txo nws qhov ceev
Dab tsi yog qhov txawv ntawm qhov chaw thiab qhov chaw?
Raws li lub npe qhov txawv ntawm qhov chaw thiab qhov chaw yog qhov chaw yog (tso tseg) kev tu siab, kev tu siab orsite tuaj yeem yog qhov chaw uas txhua yam raug kho; qhov xwm txheej; txoj hauj lwm hauv zos; xws li, qhov chaw ntawm lub nroog los yog ntawm ahouse thaum qhov chaw yog ib qho chaw tshwj xeeb lossis qhov chaw nyob hauv lub cev
Dab tsi yog qhov kev hloov pauv ntawm cov khoom uas txav ntawm qhov chaw mus rau qhov chaw ntawm - 12 m?
Kev piav qhia: Qhov kev txav ntawm ib qho khoom txav ntawm qhov chaw mus rau qhov chaw ntawm − 12 m yog 12 meters. Qhov kev ncua deb ntawm lub hauv paus chiv keeb mus rau qhov siab tshaj plaws txoj hauj lwm yog hu ua displacement ntawm ib yam khoom. Qhov siab tshaj plaws kev hloov pauv ntawm cov khoom nyob rau hauv ib nthwv dej yog hu ua crest thiab qhov tsawg kawg nkaus hloov pauv yog hu ua trough
Lub organelle twg ua haujlwm raws li qhov chaw xa ntawv ntawm lub xov tooj ntawm tes txheeb cov proteins thiab xa lawv mus rau lawv qhov chaw xav tau sab hauv lossis sab nraud ntawm tes?
Golgi Hais txog qhov no, dab tsi organelle yog lub luag haujlwm rau kev thauj mus los? endoplasmic reticulum (ER Qhov thib ob, cov proteins txav mus los ntawm lub cell li cas? Cov proteins txav mus los endomembrane system thiab raug xa tawm los ntawm lub ntsej muag trans ntawm Golgi apparatus nyob rau hauv thauj vesicles uas txav mus los cytoplasm thiab tom qab ntawd fuse nrog plasma membrane tso tawm protein ntau mus rau sab nraum lub cell .
Nws hu li cas thaum cov khoom nyob hauv qhov chaw ruaj khov thiab vibrate ntawm qhov chaw?
Daim duab 2.1 Cov khoom nyob rau hauv cov khoom yog tsau rau lawv cov neeg nyob ze. Lawv vibrate ib ncig ntawm lawv txoj hauj lwm ruaj. Aerosols vam khom rau cov khoom khib nyiab, kua thiab roj thiab lawv coj li cas. Txoj kev xav uas piav txog qhov no yog Kinetic Theory of Matter