1. A railroad car of mass 25000 kg is moving with a speed of 4 m/s. It collides and couples with three other coupled railroad cars, each of the same mass as the single car and moving in the same direction with an initial speed of 2 m/s. (a) What is the spee1. A railroad car of mass 25000 kg is moving with a speed of 4 m/s. It collides and
couples with three other coupled railroad cars, each of the same mass as the single
and moving in the same direction with an initial speed of 2 m/s. (a) What is the speed of four car after the collision? (b) How much energy is lost in the collision?
2007-03-30 04:34:43 · 2 answers · asked by ? 1 in Cars & Transportation ➔ Rail
It is suggested that coupling be accomplished at or, preferably, below 4 mph to avoid damage to lading.
2007-03-30 07:38:55 · answer #1 · answered by Samurai Hoghead 7 · 2⤊ 0⤋
HOG is right 5.6mph will crack the in face of knuckle and damage the yoke
2007-03-31 15:20:09 · answer #2 · answered by Onedrop 2 · 0⤊ 0⤋