Physics, 17.11.2020 23:20, jbearden

A block of mass 3 kg slides along a horizontal surface that has negligible friction except for one section, as shown above. The block arrives at the rough section with a speed of 5 m/s and leaves it 0.5 s later with a speed of 3 m/s.

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A block of mass 3 kg slides along a horizontal surface that has negligible friction except for one s...