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A particle of mass \(4M\) at rest splits into two particles of mass \(M\) and \(3M.\) The ratio of the kinetic energies of mass \(M\) and \(3M\) would be:
1. \(3:1\)
2. \(1:4\)
3. \(1:1\)
4. \(1:3\)
1. \(3:1\)
2. \(1:4\)
3. \(1:1\)
4. \(1:3\)
Subtopic: Â Collisions |
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During an inelastic collision between two bodies, which of the following quantities always remain conserved?
| 1. | total kinetic energy |
| 2. | total mechanical energy |
| 3. | total linear momentum |
| 4. | speed of each body |
Subtopic: Â Collisions |
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A particle undergoes an elastic collision with an identical particle at rest. After the collision, the two particles move with velocities \(\vec{v_1},~\vec{v_2}.\) Final velocities \(\vec{v_1},~\vec{v_2}\) are in different directions. The angle between \(\vec{v_1}\) and \(\vec{v_2}\) is:
1. \(\dfrac{\pi}{6}\)
2. \(\dfrac{\pi}{3}\)
3. \(\dfrac{\pi}{2}\)
4. \(\dfrac{2\pi}{3}\)
1. \(\dfrac{\pi}{6}\)
2. \(\dfrac{\pi}{3}\)
3. \(\dfrac{\pi}{2}\)
4. \(\dfrac{2\pi}{3}\)
Subtopic: Â Collisions |
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