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Q. No.A particle of mass \(4M\) kg 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. | \(1:3\) |
Subtopic: Â Collisions |
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NEET - 2022
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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 |
 80%
From NCERT
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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 \(\overrightarrow{v_1},~\overrightarrow{v_2}\). Final velocities \(\overrightarrow{v_1},~\overrightarrow{v_2}\) are in different directions. The angle between \(\overrightarrow{v_1}\) and \(\overrightarrow{v_2}\) is:
| 1. | \(\frac{\pi}{6}\) | 2. | \(\frac{\pi}{3}\) |
| 3. | \(\frac{\pi}{2}\) | 4. | \(\frac{2\pi}{3}\) |
Subtopic: Â Collisions |
 73%
From NCERT
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