a train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds.if the speed of the trainis 54 km/hr,what is the length of the platform
Answers
Answered by
0
Speed = 54×1000/60×60 = 15m/s
time =36 sec
we have to find s I.e. distance covered
s = ut + 1/2at^2
s= 15×36 + 1/2(0)36^2
s = 540 +0
Length of platform is 540m
time =36 sec
we have to find s I.e. distance covered
s = ut + 1/2at^2
s= 15×36 + 1/2(0)36^2
s = 540 +0
Length of platform is 540m
Similar questions