Question

a train 150 M long is running at 72 km per hour it crosses a bridge in 13 seconds find the length of the bridge

Answer 1

That is the solution

Answer 2

$\bold {\huge {Solutions :-}}$

We have,

Length of train = 150 m.

Speed of train = 72 km/hr

It Crosses a bridge in 13 seconds

Now,

Convert the speed of train in m/s

3600 seconds = 72000 m
1 seconds = 72000/3600 = 20 m

13 seconds = 13×20 = 260 m

So,

Length of bridge
= (distance covered by train) - (length of train)
= (260 - 150) m
$\bold {\underline {=~ 110~ m}}$