When the momentum of a body increases by $100\%$, its $KE$ increases by .............. $\%$
When the momentum of a body increases by $100\%$, its $KE$ increases by .............. $\%$
- A
$400$
- B
$100$
- C
$300$
- D
none
Similar Questions
Two identical balls $A$ and $B$ are released from the positions shown in figure. They collide elastically on horizontal portion $MN$. The ratio of the heights attained by $A$ and $B$ after collision will be (neglect friction)
Two identical balls $A$ and $B$ are released from the positions shown in figure. They collide elastically on horizontal portion $MN$. The ratio of the heights attained by $A$ and $B$ after collision will be (neglect friction)
If the momentum of a body increases by $0.01\%$, its kinetic energy will increase by ........... $\%$
If the momentum of a body increases by $0.01\%$, its kinetic energy will increase by ........... $\%$
$A$ ball is dropped from $a$ height $h$. As it bounces off the floor, its speed is $80$ percent of what it was just before it hit the floor. The ball will then rise to $a$ height of most nearly .............. $\mathrm{h}$
$A$ ball is dropped from $a$ height $h$. As it bounces off the floor, its speed is $80$ percent of what it was just before it hit the floor. The ball will then rise to $a$ height of most nearly .............. $\mathrm{h}$
In an elastic collision of two particles the following quantity is conserved
In an elastic collision of two particles the following quantity is conserved
A ball moving with velocity $2\, m/s$ collides head on with another stationary ball of double the mass. If the coefficient of restitution is $0.5$, then their velocities (in $m/s$) after collision will be
A ball moving with velocity $2\, m/s$ collides head on with another stationary ball of double the mass. If the coefficient of restitution is $0.5$, then their velocities (in $m/s$) after collision will be