A train of length 420 metre takes 33.6 seconds to cross 350 metre long tunnel find the speed of the train in km/h
Answers
Answered by
10
Answer:
21.92 m/s.
Step-by-step explanation:
average speed= total distance/ total time
total distance= 770m
total time=33.6s
speed= 770÷33.6
=7700÷336
= 21.92 m/s. approximately.
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Answered by
8
Answer:
22.91 m/s (82.8 km/h )
Step-by-step explanation:
Speed= distance/time (the distance must be the length of train + tunnel length)
Speed = 770/33.6 = 22.91 m/s (approx.)
22.91 m/s to km/h = 82.5 km/h
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