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{"ops":[{"insert":"A distance of 16.8 m separates Mr Barron and Rami, who is at rest (sleeping), in the hallway outside of period one class. The doorknob to the classroom is somewhere between them. To avoid being late, Rami immediately begins to constantly accelerate at a rate of 2.34 m\/s2 {EAST}. Rami arrives at the doorknob 3.21 s later. At the moment when Rami started moving Mr Barron locked in a constant velocity that allowed him to arrive at the door 0.21 s before Rami. Find Mr Barron\u2019s westward velocity. (INCLUDE diagram)(5)Create a dvst graph with both people\u2019s motion on it(3)\n\nTwo trains are headed for each other on a railroad track. One is moving with velocity 105 km\/h (east) and the other with velocity 122km\/h (west).\nWhen the trains are 1.3 km\u00a0apart, the engineers both simultaneously realize the danger of collision and begin braking with an acceleration value of 0.9 m\/s^2. Decide if the trains can stop before collision and if there is no crash, how far apart are the trains?\n"}]}
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