How long does it take for the driver to see the guard ?
Classical Mechanics
Level
pending
Two TGVs 500m long going at 300kmph on opposite tracks. Once they trains meet, how long does the driver of one train have before he sees the guard on the other train?
3 minutes
2.88 seconds
3 seconds
6 seconds
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
1 solution
Relative velocity of the first train wrt the second train is 600 kmh). So the time taken (1/2 * 600 ) hours = (1/1200)* 3600 seconds = 3 seconds