a 100m long train crosses a man travelling at 5km/hr , in opposite direction,in 7.2 seconds then the velocity of train is
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s=d/t
5+x= 100/7.2
5+x=100/7.2 ×18/5
5+x=20/0.4
5+x=200/4
5+x=50
x=50-5
x=45kmph is answer
5+x= 100/7.2
5+x=100/7.2 ×18/5
5+x=20/0.4
5+x=200/4
5+x=50
x=50-5
x=45kmph is answer
gsggsh:
from your equation 100/7.2=100/7.2×18/5
that means 18/5=1
meaning less
ebar o vul na bujhte parle ami idiot
we convert m/sec to kmph by multiply by 18/5
first know that illiterate dog
yes u have understood that
but your equation is not right
I converted first know that u don't know even basics go and study
ok
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