Collision Problem Help: Find Final Speed and Energy Loss | 300g & 700g Spheres

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To solve the collision problem involving two spheres, the conservation of momentum is key, as it applies to both the final speed of sphere A and the total kinetic energy loss. The initial momentum of the system can be calculated using the masses and velocities of both spheres before the collision. After determining the final speed of sphere A, the kinetic energy before and after the collision can be compared to find the total energy loss. The discussion emphasizes the importance of understanding momentum conservation in elastic and inelastic collisions. This analysis will lead to the required calculations for both the final speed of A and the energy loss.
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Hi I wonder if anyone can help, I am stuck on this question.

1.Two smooth spheres A and B, of masses of 300g and 700g respectively, are traveling towards each other along the same horizontal line with speeds of 8m/s and 4m/s respectively. After the collision, the direction of motion B has been reversed and its traveling at a speed of 2m/s

Find:
a)The final speed of A after the collision
bThe total loss in kinetic energy due to the collision.


Any help would be greatly appreciated.
 
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