Question

Two ends of a train pass an observer with velocity 20 ms–1 and 30 ms–1. The velocity of midpoint of train crossing the observer is assuming uniform acceleration -

Answer 1

Answer:

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Answer 2

Explanation:

I am considering hear a* s as a single term because acceleration is uniform and s can be taken as the total displacement taken by the train so we will get the midpoint velocity of the train as v1=30m/s