A train of mass 55,200 kg is traveling along a straight level track at 26.8 m/s (60.0 mi/h). Suddenly the engineer sees a truck stalled on the tracks 184 m ahead. If the maximum possible braking force has magnitude 84.0 kN, can the train be stopped in time?
No; it takes 236 m for the train to stop.
Yes; it takes 52 m for the train to stop.
No; it takes 1180 m for the train to stop.
No; it takes 184 m for the train to stop.
2006-09-13 06:09:11 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Physics
No; it takes 236 m for the train to stop.
a=F/m
Distance = v^2/(2a)
2006-09-13 06:15:31 · answer #1 · answered by Human 2.1 4 · 0⤊ 0⤋
You should do your own homework. Cheating only hurts yourself as education is the most important investment you can make.
2006-09-13 13:11:34 · answer #2 · answered by Plasmapuppy 7 · 0⤊ 0⤋
Dunno the answer but that truck is toast
2006-09-13 13:22:08 · answer #3 · answered by Scott L 5 · 0⤊ 0⤋