emily9rosado emily9rosado

06-05-2021
Chemistry

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Mary is standing on a train moving east at 10 km per hour. Alicia is sitting on a train that passes in the opposite direction at 30 km per hour. From Mary's point of view, how fast is Alicia moving?

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annahardee2232 annahardee2232

06-05-2021

My best guess is 20km Per hour. Hope this helps but sorry if it’s wrong

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