Question

17. A 50 meter long train passes over a
bridge at a speed of 30 km/hour. If it
takes 36 seconds to cross the bridge is​

Answer 1

Answer:

250m

Step-by-step explanation:

let the length of bridges be x

speed=30km/hr

=30×5/18

=150/18

=25/3 m/s

time= 36s

a/q,

(x+50)/36=25/3

x+50=25/3×36

x+50=25×12

x+50=300

x=250

hence length of bridges is 250m

......666......