Qhov twg tseem nyob tas li rau qhov projectile raug rho tawm hauv ntiaj teb?

Cov txheej txheem:

Qhov twg tseem nyob tas li rau qhov projectile raug rho tawm hauv ntiaj teb?
Qhov twg tseem nyob tas li rau qhov projectile raug rho tawm hauv ntiaj teb?
Anonim

Yog li, Kab rov tav ntawm qhov nrawm tseem nyob tas li rau qhov projectile raug rho tawm hauv ntiaj teb.

Qhov twg hauv qab no yog qhov tsis tu ncua ntawm qhov projectile?

Teb: Kab rov tav Cheebtsam ntawm cov lus tsa suab yog qhov tas li.

Yuav ua li cas zoo ib yam rau qhov projectile?

Qhov kawg kab rov tav tshaj tawm ntawm qhov projectile yog ib txwm sib npaug rau thawj zaug kab rov tav. Raws li qhov projectile nce mus rau qhov siab tshaj plaws ntawm nws txoj kev sib tw, txoj kab rov tav yuav txo qis; Raws li nws ntog los ntawm qhov siab tshaj ntawm nws txoj kev taug, nws txoj kab rov tav yuav txo qis.

Thaum qhov projectile nce mus dab tsi txo?

Ua ntej cov khoom nce mus txog qhov siab tshaj plaws, ntsug nrawm v y v_y vvv, pib subscript, y, kawg subscript of ib qhov projectile txo, vim acceleration yog nyob rau hauv lub opposite direction. Kev taw qhia ntawm qhov nrawm yog pib nce, txij li qhov khoom qhov siab nce ntxiv (saib daim duab 3 hauv qab).

Dab tsi yog qhov nrawm ntawm qhov projectile thaum nws mus txog qhov siab tshaj plaws?

Ntawm qhov projectile siab tshaj plaws, nws acceleration yog zero.

Pom zoo:

Nthuav cov khoom
Lub sijhawm elongation ntawm kev txhais lus uncharged trnas txav mus rau?
Nyeem ntxiv

Lub sijhawm elongation ntawm kev txhais lus uncharged trnas txav mus rau?

Peptide daim ntawv cog lus; uncharged tRNA txav mus rau qhov E site & tom qab tawm ntawm ribosome; lub mRNA tau hloov pauv 3 lub hauv paus mus rau sab laug, ua rau tRNA bearing dipeptide hloov mus rau P site P site P-site (rau peptidyl) yog qhov thib ob khi qhov chaw rau tRNA hauv ribosome.

Dab tsi yog asbestiform fibers?
Nyeem ntxiv

Dab tsi yog asbestiform fibers?

Raws li siv hauv daim ntawv tshaj tawm no, lo lus asbestiform fibers suav nrog fibers uas muaj lub zog zoo thiab yoog raws, ruaj khov, cov qauv saum npoo tsis muaj qhov tsis xws luag, thiab ntau lwm yam khoom tau piav qhia tom qab. Kev lag luam zoo asbestos yog ib qho piv txwv ntawm asbestiform fiber.

Colleen dewhurst tuag li cas?
Nyeem ntxiv

Colleen dewhurst tuag li cas?

Dewhurst tuag rau hnub Thursday ntawm mob qog noj ntshav ntawm nws lub tsev hauv New York suburb ntawm Lewisboro, hais Tom Viola, tus kws tshaj lij rau lub koomhaum uas nws ua haujlwm, Tus Ua Yeeb Yam Equity. Txawm hais tias ntau phau ntawv sau npe Dewhurst hnub nyoog li 65, nws yog 67, hais tias nws tus khub ntev, Ken Marsolais.