Question

Find the time taken by a 180 m long train
travelling at a speed of 45 km/h to cross a
man standing on a platform.​

Answer 1

Answer:

First convert km/h to m/s

5/18×45

=5/2×5

=25/2

=12.5m/s

T=D/S

= 180/12.5

=14.4 sec