a train 100m long is to cross a river bridge. what time will it take to cross the bridge when it travels with a constant velocity of 36k/hr.
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Answered by
4
Hii its tom85
s=100m
v=36km/hr=36*5/18 m/s=10m/s
t= s/v=100/10=10m
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hope it may helps you dude
Anonymous:
no
it isn't given
the bridge is 800m long
sry
no plz
not in question
so i don't edit
anyways tnku
welcome
if helpful mark brainly
Answered by
2
Let the length of the bridge be L, so that the total distance required for the train to cross the bridge is,
d = (100 + L) m
The speed of the train is,
v = 36 km/h = 36 × 5 / 18 = 10 m/s
Hence the time taken to cross the bridge is,
t = [(100 + L) / 10] s.
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