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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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Answer:
18.5 s
Explanation:
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