Chemistry, 01.09.2021 23:00, goofy44

Mr. Worster is on a passenger train that is headed East at 45 miles per hour. Suddenly he gets very hungry, so he gets up and walks West toward the vending machine at 3 miles per hour. If someone on the ground were watching the train go by, how fast would it appear Mr. Worster is moving?

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Mr. Worster is on a passenger train that is headed East at 45 miles per hour. Suddenly he gets very...