Collisions
PHXI06:WORK ENERGY AND POWER

355239 A ball moving with velocity \({2 {~m} / {s}}\) involves head-on collision with another stationary ball of double the mass. If the coefficient of restitution is 0.5 , then their velocities (in \({{m} / {s}}\) ) after the collision will be

1 0,1
2 1,1
3 1,0.5
4 0,2
PHXI06:WORK ENERGY AND POWER

355240 If \(u_{1}\) and \(u_{2}\) be the initial velocities and \(v_{1}\) and \(v_{2}\) be the final velocities of the colliding particles then we define coefficient of restitution '\(e\)' as \(e=-\dfrac{v_{1}-v_{2}}{u_{1}-u_{2}}\)
For perfectly inelastic collision ' \(e\) ' is

1 \(<1\)
2 Zero
3 1
4 \(>1\)
PHXI06:WORK ENERGY AND POWER

355241 A mass \(m_{1}\) moves with a great velocity. It strikes another mass \(\mathrm{m}_{2}\) at rest in a head on collision. It comes back along its path with low speed, after collision. Then

1 \(m_{1}>m_{2}\)
2 \({m_1} < {m_2}\)
3 \(m_{1}=m_{2}\)
4 cannot say
PHXI06:WORK ENERGY AND POWER

355242 A wagon of mass 10 tons moving at a speed of \(12\,kmph\) collides with another wagon of mass 8 tons moving on the same track in the same direction at a speed of \(10\,kmph\). If the speed of the first wagon decreases to \(8\,kmph\). The speed of the other after collision is

1 \(18\,kmph\)
2 \(25\,kmph\)
3 \(5\,kmph\)
4 \(15\,kmph\)
PHXI06:WORK ENERGY AND POWER

355239 A ball moving with velocity \({2 {~m} / {s}}\) involves head-on collision with another stationary ball of double the mass. If the coefficient of restitution is 0.5 , then their velocities (in \({{m} / {s}}\) ) after the collision will be

1 0,1
2 1,1
3 1,0.5
4 0,2
PHXI06:WORK ENERGY AND POWER

355240 If \(u_{1}\) and \(u_{2}\) be the initial velocities and \(v_{1}\) and \(v_{2}\) be the final velocities of the colliding particles then we define coefficient of restitution '\(e\)' as \(e=-\dfrac{v_{1}-v_{2}}{u_{1}-u_{2}}\)
For perfectly inelastic collision ' \(e\) ' is

1 \(<1\)
2 Zero
3 1
4 \(>1\)
PHXI06:WORK ENERGY AND POWER

355241 A mass \(m_{1}\) moves with a great velocity. It strikes another mass \(\mathrm{m}_{2}\) at rest in a head on collision. It comes back along its path with low speed, after collision. Then

1 \(m_{1}>m_{2}\)
2 \({m_1} < {m_2}\)
3 \(m_{1}=m_{2}\)
4 cannot say
PHXI06:WORK ENERGY AND POWER

355242 A wagon of mass 10 tons moving at a speed of \(12\,kmph\) collides with another wagon of mass 8 tons moving on the same track in the same direction at a speed of \(10\,kmph\). If the speed of the first wagon decreases to \(8\,kmph\). The speed of the other after collision is

1 \(18\,kmph\)
2 \(25\,kmph\)
3 \(5\,kmph\)
4 \(15\,kmph\)
PHXI06:WORK ENERGY AND POWER

355239 A ball moving with velocity \({2 {~m} / {s}}\) involves head-on collision with another stationary ball of double the mass. If the coefficient of restitution is 0.5 , then their velocities (in \({{m} / {s}}\) ) after the collision will be

1 0,1
2 1,1
3 1,0.5
4 0,2
PHXI06:WORK ENERGY AND POWER

355240 If \(u_{1}\) and \(u_{2}\) be the initial velocities and \(v_{1}\) and \(v_{2}\) be the final velocities of the colliding particles then we define coefficient of restitution '\(e\)' as \(e=-\dfrac{v_{1}-v_{2}}{u_{1}-u_{2}}\)
For perfectly inelastic collision ' \(e\) ' is

1 \(<1\)
2 Zero
3 1
4 \(>1\)
PHXI06:WORK ENERGY AND POWER

355241 A mass \(m_{1}\) moves with a great velocity. It strikes another mass \(\mathrm{m}_{2}\) at rest in a head on collision. It comes back along its path with low speed, after collision. Then

1 \(m_{1}>m_{2}\)
2 \({m_1} < {m_2}\)
3 \(m_{1}=m_{2}\)
4 cannot say
PHXI06:WORK ENERGY AND POWER

355242 A wagon of mass 10 tons moving at a speed of \(12\,kmph\) collides with another wagon of mass 8 tons moving on the same track in the same direction at a speed of \(10\,kmph\). If the speed of the first wagon decreases to \(8\,kmph\). The speed of the other after collision is

1 \(18\,kmph\)
2 \(25\,kmph\)
3 \(5\,kmph\)
4 \(15\,kmph\)
PHXI06:WORK ENERGY AND POWER

355239 A ball moving with velocity \({2 {~m} / {s}}\) involves head-on collision with another stationary ball of double the mass. If the coefficient of restitution is 0.5 , then their velocities (in \({{m} / {s}}\) ) after the collision will be

1 0,1
2 1,1
3 1,0.5
4 0,2
PHXI06:WORK ENERGY AND POWER

355240 If \(u_{1}\) and \(u_{2}\) be the initial velocities and \(v_{1}\) and \(v_{2}\) be the final velocities of the colliding particles then we define coefficient of restitution '\(e\)' as \(e=-\dfrac{v_{1}-v_{2}}{u_{1}-u_{2}}\)
For perfectly inelastic collision ' \(e\) ' is

1 \(<1\)
2 Zero
3 1
4 \(>1\)
PHXI06:WORK ENERGY AND POWER

355241 A mass \(m_{1}\) moves with a great velocity. It strikes another mass \(\mathrm{m}_{2}\) at rest in a head on collision. It comes back along its path with low speed, after collision. Then

1 \(m_{1}>m_{2}\)
2 \({m_1} < {m_2}\)
3 \(m_{1}=m_{2}\)
4 cannot say
PHXI06:WORK ENERGY AND POWER

355242 A wagon of mass 10 tons moving at a speed of \(12\,kmph\) collides with another wagon of mass 8 tons moving on the same track in the same direction at a speed of \(10\,kmph\). If the speed of the first wagon decreases to \(8\,kmph\). The speed of the other after collision is

1 \(18\,kmph\)
2 \(25\,kmph\)
3 \(5\,kmph\)
4 \(15\,kmph\)