Physics, 22.01.2020 21:31 serenityarts123

Arailroad freight car, mass 15 000 kg, is allowed to coast along a level track at a speed of 2.0 m/s. it collides and couples with a 50 000-kg loaded second car, initially at rest and with brakes released. what percentage of the initial kinetic energy of the 15 000-kg car is preserved in the two-coupled cars after collision

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Arailroad freight car, mass 15 000 kg, is allowed to coast along a level track at a speed of 2.0 m/s...