alondrahernandoypcpx alondrahernandoypcpx 31-10-2017 Physics contestada A 6000 kg train car traveling at 2.5 m/s collides with another 6000 kg train car now they are both moving but with a speed of 1.25m/s. this an exaple of? Newton's secind law Newton's third law Newton's first law The law of conservation of momentum