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Three forces F1

A child applies a force parallel to the x-axis to a 6 kg sled moving along the x-axis. The force he applies varies with the x-coordinate of the sled as shown in the figure. Suppose the sled is initially at rest at x-0 You can ignore friction between the sled and the surface F, (N) Sled 6 kg F 2.5 r (m) Find the work done by the force in moving the sled from x 0 to 4m (2 Points) Find the speed of the sled at 4 m. (2 Points) Find the work done by the force in moving the sled from xe 0 to 3 m (2 Points)
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