Supiyanto Kelas X Evaluasi Bab 2 Nomor 13

Sebuah mobil bergerak dengan kecepatan awal 50 kaki/s dan percepatan 4 $kaki.{{s}^{-2}}$ . Dalam 10 detik pertama, mobil menempuh jarak …

Penyelesaian

Jarak yang ditempuh 10 detik pertama

$\text{s}={{\text{v}}_{0}}\text{t}+\frac{1}{2}\text{a}{{\text{t}}^{2}}$

$\text{s}=\left( 50 \right)\left( 10 \right)+\frac{1}{2}\left( 4 \right){{\left( 10 \right)}^{2}}=500+200=700\text{ }\!\!~\!\!\text{ m}$

Jawaban C

Supiyanto. 2006. FISIKA UNTUK SMA KELAS X. Jakarta: Phiβeta.

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