Asked by Anonymous


You're riding on a train that's moving at 50 km/h, and you roll a ball down the aisle at 2 km/h in the same direction as the train is moving. If a person standing on the ground near the train track could see the ball, how fast would it appear to be moving?
Answered by SraJMcGin
Please identify the School Subject correctly so the right teacher reads your post.

Sra
Answered by Carey
50 + 2 = 52 km/h
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