A small, 150 gg cart is moving at 1.40 m/sm/s on a frictionless track when it collides with a larger, 3.00 kgkg cart at rest. After the collision, the small cart recoils at 0.840 m/sm/s .

Part A

What is the speed of the large cart after the collision?

Express your answer with the appropriate units.

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v =

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