Given,
The total initial momentum of the motorcycle, p=27498.3 kg*m/s
From the law of conservation of momentum, the total momentum of a system should always remain constant. That is the total momentum of the motorcycle-car system before the collision must be equal to that after the collision.
The momentum of the car before the collision is zero as it was at rest.
Therefore the final momentum of the motorcycle-car system is 27498.3 kg*m/s
