Question

An engine driver suddenly puts on his brake and shuts off steam when he is running at full speed ; in the first second Afteruwards the train travels 28 m and in the next second 26 m. Find 1- the original speed of the train, 2- the time before it comes to rest, 3- the distance it will travel in that interval, assuming the brake to cause a constant retardation. .

Answer 1

Answer:

i think

Explanation:

25km per second