Question

a train running at a speed of 20 kilometre per hour is approaching a station driver applies brakes just 200 before the station to stop it and station find retardation of train​

Answer 1

Answer:retardation=1 km/hr^2

Explanation:

I have attached an attachment.

I have given the final answer in km/hr^2 because the unit of distance is not given.

I have considered the units of velocity.

Generally we write answer in S.I units.

You can convert the final answer accordingly.

Pls feel free to ask more doubts.