Question

An express train 450 m long crosses a local
train standing at the platform. The speed
of the express train is 90 km/h and it took
30 seconds to cross the local train. Find the
length of the local train.​

Answer 1

Step-by-step explanation:

here,

Given that,

length of train=450metres

speed of express train=90km/h=90×5/18=25m/s

time taken to cross=30 seconds

need to find= distance of local train

so,

distance of local train = speed of express train × time taken by train to cross local train.