Answer:
25 m/s
Explanation:
train a travels at 12.5 m/s and will arrive at 100m in 7s.
train b arrives at the same distance, 100m, in 4s. so that means train b is going at 100m/4s and then simplify that
therefore train b is moving at 25m/s
25 metres per second
just divide 100 by 4 and you will get the answer.☺️☺️
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