The kinetic energy of a body of mass $3 \,kg$ and momentum $2 \,N-s$ is

$A$ $120\, g$ mass has a velocity $\vec v = 2\hat i + 5\hat j\, m/s$ at a certain instant. Its kinetic energy is .................. $J$.

Four particles $A, B, C, D$ of mass $\frac{m}{2}, m, 2m, 4m$ have the same momentum,respectively. The particle with maximum kinetic energy is:

If the linear momentum is increased by $5\%$,the kinetic energy will increase by.......$\%$

If the momentum increases by $0.01\%$,what is the percentage increase in kinetic energy (in $\%$)?

$A$ particle of mass $m$ at rest is acted upon by a force $F$ for a time $t$. Its kinetic energy after an interval $t$ is