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## You are at a train station, standing next to the train at the front of the first car. The train starts moving with constant acceleration, an

Question

You are at a train station, standing next to the train at the front of the first car. The train starts moving with constant acceleration, and 7.0 s later the back of the first car passes you. Part A How long does it take after the train starts moving until the back of the seventh car passes you

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Physics
3 years
2021-08-14T17:53:22+00:00
2021-08-14T17:53:22+00:00 1 Answers
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## Answers ( )

Answer:18.5 sExplanation:We are given that

Time,t=7 s

Number of cars=7

Initial velocity =u=0

Length of a car=L

Using the formula

Length of seven cars=7L

Hence,it takes 18.5 s after the train starts moving until the back of the seventh car passes you