If a baseball being thrown goes from zero to 30 m/s in 0.1 s, what is its average acceleration?
A)3 m/s2
B)30 m/s2
C)300 m/s2
D)3000 m/s2
E)none of the above

Question

Quizplus · Accepted Answer

The average acceleration can be calculated using the formula $a = \frac{\Delta v}{\Delta t}$, where $\Delta v = 30\,m/s - 0\,m/s = 30\,m/s$ and $\Delta t = 0.1\,s$. Thus, $a = \frac{30\,m/s}{0.1\,s} = 300\,m/s^2$.

If a Baseball Being Thrown Goes from Zero to 30