An object of $1 \,kg$ mass has a momentum of $10 \,kg$ $m/sec $ then the kinetic energy of the object will be .............. $\mathrm{J}$
An object of $1 \,kg$ mass has a momentum of $10 \,kg$ $m/sec $ then the kinetic energy of the object will be .............. $\mathrm{J}$
$100$
$50$
$1000$
$200$
An object of $1 \,kg$ mass has a momentum of $10 \,kg$ $m/sec $ then the kinetic energy of the object will be .............. $\mathrm{J}$
$E = \frac{{{P^2}}}{{2m}} = \frac{{{{(10)}^2}}}{{2 \times 1}} = 50\,J$