Aan Priyanto, Yusmantoro, Mahardika Prasetya Aji
When we travel in a train moving at a certain velocity, we observe the stationary objects outside are moving backwards. These stationary objects seem to move due to a relative velocity. Consider that the stationary object outside the train is a man standing on the stationary floor watching a woman moving on a train. The woman on a train will see the man moving backward with similar velocity as her. In kinematics, this magnitude of relative velocity will always be the same whether the man is far away from or near the train, as long as he stands on the stationary floor. © 2020 American Association of Physics Teachers.
Department of Physics, Bandung Institute of Technology, Bandung, 40132, Indonesia; Department of Physics, Universitas Negeri Semarang, Central Java, Indonesia
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