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Harman [31]
3 years ago
12

A train is moving at 35 m/s to the east. it speeds up to 42 m/s east over the course of 40 seconds. what was trains acceleration

Physics
2 answers:
kirill115 [55]3 years ago
5 0

Acceleration = (change in speed) / (time for the change)

Change in speed = (42 - 35) = 7 m/s

Time for the change = 40 sec

Acceleration = (7 m/s) / (40sec) = 7/40 = <em>0.175 m/s²


</em>
svetoff [14.1K]3 years ago
4 0

Adding onto AL2006's answer: it is to the east. His math was correct, just don't choose the option that says west lol

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