chain of length 260 m travelling at a speed of 45 kmph crosses a platform of length 140 m then the time taken by it to cross tree is
the one who answers this will get 50 points *correctanswer*
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Formula for converting from km/hr to m/s = X km/hr=(X×
18
5
)m/s
Therefore,
Speed=(45×
18
5
)m/sec=
2
25
m/sec
Total distance to be covered =(360+140)m=500m.
Formula for finding time =(
Speed
Distance
)
∴ Required Time =(
25
500×2
)sec=40sec.
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