A 1000-metre-long train crosses a 500-metre-
long bridge. If the speed of train is 30 km/hr,
then what is the time taken (in seconds) to cross
the bridge?
Answers
Answered by
0
Answer:
change the speed in second 30×1000/60×60=25/3 meter per sec.
25/3 meter cross in 1 second
1500 meter cross in (3/25)1500=180 second
answer is 180 second
Answered by
0
Answer:
120 second.
Step-by-step explanation:
Total distance travelled by the train to cross the bridge will be = 500 m + 500 m = 1000 m
speed of the train = 30 km/hr
Time to taken to cross the bridge :
= (1000 m)/(30 km/hr)
= (1000 m)/(30 * 1000 m/hr)
= (1/30) hr
= (60 * 60 sec)/30
= 120 sec
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