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11th Class Physics Systems Of Particles & Rotational Motion / कणों के निकाय तथा घूर्णी गति Question Bank Systems Of Particles & Rotational Motion Conceptual Problems

  • question_answer
    If two particles of masses \[{{m}_{1}}\] and \[{{m}_{2}}\] move   velocities \[{{\upsilon }_{1}}\] and \[{{\upsilon }_{2}}\] towards each other on a smooth horizontal table, what is the velocity of their centre of mass?

    Answer:

                    \[{{\upsilon }_{CM}}=\frac{{{m}_{1}}{{\upsilon }_{1}}-{{m}_{2}}{{\upsilon }_{2}}}{{{m}_{1}}+{{m}_{2}}}\]


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