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

Respuesta :

qyash0514 qyash0514
  • 12-01-2018
just add the 2 and 5.
7 km/h
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