the velocity of a cyclist moving in a straight line changes from 0 m/s to 15 m/s in 10 seconds. what is the cyclists acceleration?
\(a=\dfrac {v_f - v_i}{\Delta t}\)
\(a= \dfrac{15 - 0}{10}=\dfrac {15}{10}=\dfrac 3 2\dfrac {m}{s^2}\)
