Two identical balls $A$ and $B$ having velocities of $0.5\, m s^{-1}$ and $-0.3 \, m s^{-1}$ respectively collide elastically in one dimension. The velocities of $B$ and $A$ after the collision respectively will be
Two identical balls $A$ and $B$ having velocities of $0.5\, m s^{-1}$ and $-0.3 \, m s^{-1}$ respectively collide elastically in one dimension. The velocities of $B$ and $A$ after the collision respectively will be
- [NEET 2016]
- [AIPMT 1994]
- [AIPMT 1991]
- A
$-0.3\;m/s,0.5\;m/s$
- B
$0.3\;m/s,0.5\;m/s$
- C
$-0.5\;m/s,0.3\;m/s$
- D
$0.5\;m/s,-0.3\;m/s$
Similar Questions
Two smooth objects with a coefficient of restitution $e,$ collide directly and bounce as shown. Newton's law of restitution gives
Two smooth objects with a coefficient of restitution $e,$ collide directly and bounce as shown. Newton's law of restitution gives
A ball of mass $m$ moving with velocity $v$ collides head-on with the second ball of mass $m$ at rest. If the coefficient of restitution is $e$ and velocity of first ball after collision is $v_1$ and velocity of second ball after collision is $v_2$ then
A ball of mass $m$ moving with velocity $v$ collides head-on with the second ball of mass $m$ at rest. If the coefficient of restitution is $e$ and velocity of first ball after collision is $v_1$ and velocity of second ball after collision is $v_2$ then
A thin uniform bar lies on a frictionless horizontal surface and is free to move in any way on the surface. Its mass is $0.300\, kg$ and length is $2 \,m$ . Two particles each of mass $0.100\, kg$ are moving on the same surface and towards the two ends of the bar in the direction perpendicular to the bar such that one with velocity $10\, m/s$ towards one end and the other with velocity $5\, m/s$ towards the other end. If collision between particles and bar is completely elastic and both particles strike with the bar simultaneously. The velocity of centre of mass of the bar after the collision is ...... $m/s$
A thin uniform bar lies on a frictionless horizontal surface and is free to move in any way on the surface. Its mass is $0.300\, kg$ and length is $2 \,m$ . Two particles each of mass $0.100\, kg$ are moving on the same surface and towards the two ends of the bar in the direction perpendicular to the bar such that one with velocity $10\, m/s$ towards one end and the other with velocity $5\, m/s$ towards the other end. If collision between particles and bar is completely elastic and both particles strike with the bar simultaneously. The velocity of centre of mass of the bar after the collision is ...... $m/s$
A body of mass $m$ moving with a constant velocity $v$ hits another body of the same mass moving with the same velocity $v$ but in the opposite direction and sticks to it. The velocity of the compound body after collision is
A body of mass $m$ moving with a constant velocity $v$ hits another body of the same mass moving with the same velocity $v$ but in the opposite direction and sticks to it. The velocity of the compound body after collision is
The force constant of a wire is $k$ and that of another wire is $2k$. When both the wires are stretched through same distance, then the work done
The force constant of a wire is $k$ and that of another wire is $2k$. When both the wires are stretched through same distance, then the work done