Question

how much time will a train 171 m long take to cross a bridge 229 long, if is running at a constant speed of 45 km/h ?​

Answer 1

Answer:

given

length of train=171

length of train =229

total distance =171+229 =400m

speed of train =45km/h

= 45*1000/3600 =225/6

let x be the time

s=d/t

225/6=400/x

x=400*6/225

x=96/9second

time taken is 96/9second

Step-by-step explanation:

I hope it will help you