Tazzla n teslullit
Deg tsengama, Tazzla taslullit d tazzla deg wanda i d-tettili deg-s tfasa tamussayt i kra n tfekka tegda tafasa-ines tanudebt, ayen yennumken d akken tanafa-nsent tegda 0, anecta yennumk daɣen d akken tazzla i d-tekkes tfekka ur telli deg tjumma ur telli deg tmezzit tumdilt. Ma d ass mi ara ad tembiwel tfekka s tazzla n trewla w ad ittaggeg (ad ittbeɛɛid) ɣef tegnit imur-nni ad islukkuz w ad iṭɣaray maca ur yettawaṭ ara, ayen yennumken d akken tazzla ur tettuɣal ara d 0, neɣ ma yella teffeɣ tazzla n trewla i tikkelt tamezwarut anecta ur iserri ara (ur yettuḥwaj ara) ɣer usemdu n tmerniwt n tdusi n udemmer ɣef tfekka alamma yesmed (ikemmel) tarewla-ines.
D imezdi daɣen usenmel d tbadut n tazzla taslullit d akken-it d tazzla yettwatteen i trewla ɣef yiger n teldayt. Azamul-is iga d tettwasiden s wassaɣ:
Anda d timezgit taldayant tamatut (6.67408 × 10−11 m3 kg−1 t−2 ), ia d takura n umtiweg, ma d d aqqaṛ-ines.
- Ad nessegri deg usaduf-a d akken tazzla n teslullit n kra n tfekka ur tegguni ara ɣef tkura-ines maca tegguni kan ɣef tkura n umtiweg.
Deg yiger n teldayt n tegnit, i wakken kra n tfekka ad teǧǧ tagnit w ad terwel fellas tesri tazzla taslullit yegdan azal n 11,2 km/t, maca tarewla ɣef teldayt n tfukt d ttwaffɣa seg wudus anafuk seg yiwen n wazag yesri ɣer tazzla taslullit yegdan 42.1 km/t
Mi ara ad tili tuzzla i d-ittunefken tugar tazzla n trewla, imir-nni tafekka ad teṭɣar seg hypebrolic excess speed, s unect n tagda ayi:
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