Task id9515

Task id9515

On a horizontal section of track, the locomotive develops a constant traction force F = 3.5 • 105 N. On a section of track length l = 600 m, the speed of a train weighing m = 1.0 • 106 kg increases from v1 = 10 m/s to v2 = 20 m /With. Determine the motion resistance coefficient, which is equal to the ratio of the modulus of the resistance force to the modulus of the normal reaction force of the rails.

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