How long after the rope becomes taut until car b collides

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The cars have equal mass. Car A is suddenly given velocity 4 m/s and the rope becomes taut. We know that 40 percent of the system's kinetic energy is lost during the rope tensioning. How long after the rope becomes taut until Car B collides with Car A? Rope has a length of 10m.

Reference no: EM13316984

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