Arlette071 Arlette071

12-01-2018
Physics

contestada

you're riding on a train that's moving at 5 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 moving

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qyash0514 qyash0514

12-01-2018

just add the 2 and 5.
7 km/h

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