Physics

Problem

A force

F(t)=5e^{-t/2}

N acts on a particle from

t=0

t=\infty

. The impulse imparted to the particle is a)

12.5\,\text{N\,s}

5\,\text{N\,s}

10\,\text{N\,s}

9.5\,\text{N\,s}