A cart filled with sand rolls at a speed of vcart = 1.4 m/s along a horizontal path without friction. A ball of mass m = 2.6 kg is thrown with a horizontal velocity of vball = 9.8 m/s toward the cart as shown in the figure below. The ball gets stuck in the sand. What is the velocity of the cart after the ball strikes it? The mass of the cart is 14 kg. (Assume the positive xdirection is to the right. Express your answer in vector form.) ?m/s

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