Momentum ~ A 2.0kg blob of clay traveling to the north at

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SUMMARY

A 2.0kg blob of clay traveling north at 6.0m/s collides inelastically with a 3.0kg blob of clay moving south at 4.0m/s. The total momentum before the collision is calculated as 12.0 kg·m/s north and 12.0 kg·m/s south, resulting in a net momentum of 0 kg·m/s. Therefore, the final velocity of the combined blobs after the collision is 0 m/s, confirming that they come to rest.

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A 2.0kg blob of clay traveling to the north at 6.0m/s inelastically strikes a 3.0kg blob of clay traveling south at 4.0m/s. What is the final velocity of the two blobs after the collision?

This is what I think: Since both have the same momentum before striking together, would their final velocity be zero?
 
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