Bryant Griffin
01/17/2023 · Elementary School

112 Matteo e Antonio abitano ai capi opposti di via Cavour, una delle vie principali della loro città lunga 800 m. Decidono di incontrarsi. Matteo procede con velocità di \( 2,0 \mathrm{~m} / \mathrm{s} \) e Antonio con velocità \( 2,2 \mathrm{~m} / \mathrm{s} \) nel verso oppo- sto. Antonio, trattenuto da una telefonata, parte con 10 s di ritardo. Scrivi le leggi orarie del moto di Matteo e Antonio. Calcola l'istante in cui s'incontrano e quale distanza hanno percorso. Disegna i grafici spazio-tempo e velocità-tempo. \( \left[\begin{array}{l}\mathrm{M} \\ =(2,0 \mathrm{~m} / \mathrm{s}) t ; s_{\mathrm{A}}=800 \mathrm{~m}-(2,2 \mathrm{~m} / \mathrm{s}) \times(t-10 \mathrm{~s}) ; 2,0 \times 10^{2} \mathrm{~s} ; \\ \left.4,0 \times 10^{2} \mathrm{~m}\right]\end{array}\right. \)

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Matteo e Antonio si incontrano dopo circa 195 secondi. Matteo percorre circa 390 metri, mentre Antonio percorre circa 407 metri.

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