NUMERICAL PROBLEM BASED ON MOTION WITH UNIFORM ACCELERATION
Asked by | 1st Dec, 2008, 05:40: PM
Expert Answer:
the velocity of train 1 = 72km/h = 20m/s
the velocity of train 2 = 90km/h = 25m/s
The distance between them = 1000m.If the applied brakes is -1m/s2 .
Then for the first train
V2 –u2 = 2as
v=0: S = 20m
Similarly for the second train S = 25m.
After travelling the respective distances the distance still between them is 1000 -(20+25) >0 implies the trains would not collide.
Answered by | 2nd Dec, 2008, 08:27: PM
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