Math, asked by vkumar53904, 9 months ago

एक रेलगाड़ी 1 किलोमीटर लम्बे पुल को 2 मिनट मे पार कर जाती हैं | यदी रेलगाड़ी की लम्बाई पुल से आधी हो तो , रेलगाड़ी की गती क्या होगी ?

Answers

Answered by dk859389
2

Answer:

12.5 m/s

Step-by-step explanation:

let the speed of train be 'x'

length of train = 1/2=0.5 km = 500m

total distance covered by train = 1000+500=1500m

time to cross the pull= 2min = 2×60 sec

speed = distance/time

x= 1500/120=12.5 m/s

Or

x = 12.5×5/18 =3.477 km/hr

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