The velocity of the center of mass of the system before and after the collision,the momentum of the center of mass of the system before and after the collision, and the change in momentum of the system.

Answer to Problem 24TP
The velocity of the center of mass of the system before and after the collision is
The momentum of the center of mass of the system before and after the collision is
The change in momentum of system is
Explanation of Solution
Given:
The mass of puck A is
The mass of puck B is
Formula used:
The initial center of mass velocity of system is given by
The conservation of momentum for combined bodies is given by
Here,
The initial momentum of center of mass of system is given by
The final momentum of center of mass of system is given by
The change in momentum is given by
Calculation:
The initial center of mass velocity of system is calculated as
The final center of mass velocity of system is calculated as
The initial momentum of center of mass of system is calculated as
The final momentum of center of mass of system is calculated as
The change in momentum is calculated as
Conclusion:
The velocity of the center of mass of the system before and after the collision is equal to
The momentum of the center of mass of the system before and after the collision is equal to
The change in momentum of system is equal to
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