Question

How long will a train 150 metres long and travelling at a speed of 45 kph, take to cross a platform of length 250 meters?

Answer 1

Answer: 32m/s

Explanation:

take the displacement

convert km/h into m/s by multiplying it with 5/18 then put the formula of s=d/t

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Answer 2

Answer:

32 s

Explanation:

t = s / v      

v = 45 km/h = 12.5 m/s  

t = 250+150/12.5 = 400/12.5 s

t = 32 s