Question: 2. A block moving on a horizontal surface is at x = 0.0 m when t = 0 seconds and is sliding east with

2. A block moving on a horizontal surface is at x = 0.0 m when t = 0 seconds and is sliding east with a speed of 12.0 m/s. Because of a net force acting on the block, it has a constant acceleration with direction west and magnitude 2.50 m/s. The block travels east, slows down, reverses direction, and then travels west with increasing speed. a. At what time does the block have zero speed and what is its position at that time? b. At what value of t is the block again at x = 0.0 m?

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