- Mass of the particle, \( m = 0.1 \, \text{kg} \)
- Initial velocity, \( v_i = 11 \, \text{m/s} \)
- Radius of the tube, \( r = 0.5 \, \text{m} \)
- The height of the tube is \( 2r = 1 \, \text{m} \)
- The surface is frictionless.
- We need to find
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