alizefelton66 alizefelton66

11-12-2019
Physics

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Until a train is a safe distance from the station, it must travel at 5 m/s. Once the train is on open track, it can speed up
to 45 m/s. If it takes a train 8 seconds to reach 45 m/s, what is the acceleration of the train?

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mariianooemustwo mariianooemustwo

11-12-2019

Answer: 5 m/s^2

Explanation: You have to use a kinematics equation that Includes what you are given. So in this case you have Initial velocity, final velocity, and time. You’re looking for acceleration so you have everything you need to use an equation, the one without distance.

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