Đổi: \(60\left(\dfrac{km}{h}\right)=\dfrac{50}{3}\left(\dfrac{m}{s}\right)\)
a. Gia tốc:
\(a=\dfrac{v-v_0}{t}=\dfrac{0-\dfrac{50}{3}}{5}=-\dfrac{10}{3}\left(\dfrac{m}{s^2}\right)\)
b. Quãng đường:
\(s=\dfrac{v^2-v_0^2}{2a}=\dfrac{0^2-\left(\dfrac{50}{3}\right)^2}{2\cdot\left(-\dfrac{10}{3}\right)}\approx41,67m\)