Physics

Problem

A force acting on a body is defined piece-wise as

\displaystyle F(t)=\begin{cases}4t & 0\le t\le 2\,\text{s}\\ 8 & 2<t\le 4\,\text{s}\end{cases}

. Calculate the magnitude of the total impulse delivered during the

4\,

s interval. a)

32\,\text{N\,s}

20\,\text{N\,s}

24\,\text{N\,s}

28\,\text{N\,s}