Question: The 2-kg block is subjected to a force having a constant direction and a magnitude F = (300/(1+ s)) N, where s is in meters.

The 2-kg block is subjected to a force having a constant direction and a magnitude F = (300/(1+ s)) N, where s is in meters. When s = 4 m, the block is moving to the left with a speed of 8 m/s. Determine its speed when s = 12 m. The coefficient of kinetic friction between the block and the ground is μ_k = 0.25. -S- F 30

-S- F 30

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