3. A train 200 m long is running at the rate of 45 km/h.
a. How long will it take to cross a bridge 125 m long?
b. How long will it take to cross a pole?
Answers
Answered by
2
Answer:
80
Step-by-step explanation:
45kmph=45×
18
5
=12.5m/s
total length covered by train=850m+150m=1000m
velocity=
time
Dispacement
t=
v
s
t=
(12.5m/s)
1000m
t=80s
time is taken to cross the bridge is 80 seconds
Answered by
0
Step-by-step explanation:
3. A train 200 m long is running at the rate of 45 km/h.
a. How long will it take to cross a bridge 125 m long?
b. How long will it take to cross a pole?
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