The time in which a force of $2 \,N$ produces a change of momentum of $0.4\,kg - m{s^{ - 1}}$ in the body is ......... $\sec$
The time in which a force of $2 \,N$ produces a change of momentum of $0.4\,kg - m{s^{ - 1}}$ in the body is ......... $\sec$
$0.2$
$0.02$
$0.5$
$0.05$
The time in which a force of $2 \,N$ produces a change of momentum of $0.4\,kg - m{s^{ - 1}}$ in the body is ......... $\sec$
$\vec F = \frac{{\Delta \vec p}}{{\Delta t}} \Rightarrow \Delta t = \frac{{|\Delta \vec p|}}{{|\vec F|}} = \frac{{0.4}}{2} = 0.2\;s$