To determine how long it takes for the train to pass a man standing on the platform, follow these steps:

Convert the train’s speed into meters per second (m/s):

The speed of the train is 60 km/h.

Convert km/h to m/s using the formula:

Speed (m/s)=Speed (km/h)×1000/3600

Speed (m/s)=Speed (km/h)×3600/1000

So,60km/h×1000/­3600=16.67m/s

60km/h×3600/1000=16.67m/s

Calculate the time it takes to pass the man:

The length of the train is 150 meters.

Time is calculated by dividing the length of the train by its speed:

Time=Length of Train/Speed

Time=Speed/Length of Train

So,Time=150meters/16.67m/s≈9seconds

Time=16.67m/s/150meters≈9seconds

Thus, it will take approximately 9 seconds for the train to pass a man standing still on the platform.