Acceleration of a car 0001

, por F_y_Q

A car is increasing its speed from 40 m/s to 70 m/s. What is its acceleration if the time needed was 3 seconds?


SOLUCIÓN:

Acceleration is defined by: a = \frac{v_f - v_i}{t}

a = \frac{(70-40)\ m\cdot s^{-1}}{3\ s} = \bf 10\frac{m}{s^2}