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anonymous
 one year ago
An express train passes through a station. The nose of the train enters with an initial velocity of 19.0 m/s and decelerates at a rate of 0.10 m/s2 as it goes through. The station is 250 m long. If the train is 130 m long, What is the velocity of the end of the train as it enters the station?(Round your answer to one decimal place and answer in m/s)
anonymous
 one year ago
An express train passes through a station. The nose of the train enters with an initial velocity of 19.0 m/s and decelerates at a rate of 0.10 m/s2 as it goes through. The station is 250 m long. If the train is 130 m long, What is the velocity of the end of the train as it enters the station?(Round your answer to one decimal place and answer in m/s)

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[v_f^2=v_i^2+2ad\] \[v_f^2=(19.0 m/s)^2+2(0.10 m/s^2)(250 m + 130 m)\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0the end of the train has to travel the length of the train and station, so add the distances

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Thank you so much, I was overlooking adding both distances.
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