The energy which an ${e^ - }$ acquires when accelerated through a potential difference of $1 \,volt$ is called
$1 \,Joule$
$1$ $ Electron volt$
$1\, Erg$
$1\, Watt$.
For the pulley system the kinetic energy of the $6\,kg$ block after $5\,s$ is ............ $\mathrm{J}$
A car accelerates from rest to $u\,m / s$. The energy spent in this process is $E\,J$. The energy required to accelerate the car from $u\,m / s$ to $2u\,m / s$ is $nE\,J$. The value of $n$ is ..............
If kinetic energy of a body is increased by $300\%$ than percentage change in momentum will be
The kinetic energy of a body moving along a straight line varies with time as shown in figure. The force acting on body
Two bodies of masses $m$ and $4 \,m$ are moving with equal $K.E.$ The ratio of their linear momentums is