Two carts of equal mass M = 4.2 kg approach each other and collide. Before the collision, Cart A is traveling to the right with a speed of vAI- 5.0 m / s, while Cart B is traveling to the left with a speed of ve - 3.3 m / s. After the collision, Cart A reverses direction and moves with a speed of va = 1.6 m / s. What is the speed Ves of Cart B after the collision? Enter the numerical value in Sl units.

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