# A 16 kg is accelerated from 5 m/s to 17 m/s in 4.0 seconds for a distance of of 3.0 m. How much work was done?

Work done by a force is expressed as $W = F \cdot s = m a = \frac{m \left(v - u\right)}{t} \cdot s = \frac{16 \left(17 - 5\right)}{4} \cdot 3 = 144 J$