Calculate the time taken by a 300 m long train moving at 360 km / hr to cross a telegraph post
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Answer:
60 km/hr
Step-by-step explanation:
Time =1 min 12 s=72 s
Distance covered in 72 second =300+900=1200 m
Speed=
time
distance
Speed=(
72
1200
)m/sec=(
3
50
)m/sec=(
3
50
×
5
18
)=60km/hr
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