Question

A 150 m long train passes a man ,who standing beside the railway track at an average speed of 72 km/h. Find the time taken.​

Answer 1

Step-by-step explanation:

45kmph=45×

18

5

=12.5m/s

total length covered by train=850m+150m=1000m

velocity=

time

Dispacement

t=

v

s

t=

(12.5m/s)

1000m

t=80s

time is taken to cross the bridge is 80 seconds