Two trains 300m and 200 m long, moving at the speed of 35 km/hr and 25 km/hr respectively in opposite direction. How long would it takevthem to pass each other?
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Answer:
train A = 30.86 sec
train B = 28.84 sec
Step-by-step explanation:
TRAIN A's Given conditions,
Distance traveled by train = 300m
Speed traveled by train A = 35km/h
Converting speed from M.K.S system to C.G.S system
= 35×5÷18
= 175÷8
= 9.72m/s
Time taken by Train A= Distance÷speed
= 300÷9.72
=30.86 sec
TRAIN B's Given conditions,
Distance traveled by Train B = 200m
Speed traveled by Train B = 25km
Converting speed from M.K.S to C.G.S system
= 25×5÷18
= 125÷18
= 6.94m/s
Time taken by Train B = 200÷6.94
=28.84sec
So, Time taken by Train A = 30.86sec
Time taken by Train B = 28.84sec.
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