Two passenger trains are passing each other on adjacenttracks. Train A is moving

Question

Two passenger trains are passing each other on adjacenttracks. Train A is moving east with a speed of 18 m/s, and train B is traveling west with a speed of30 m/s. What is the velocity (magnitude and direction) of train B asseen by the passengers in train A? Two passenger trains are passing each other on adjacenttracks. Train A is moving east with a speed of 18 m/s, and train B is traveling west with a speed of30 m/s. What is the velocity (magnitude and direction) of train B asseen by the passengers in train A?

Explanation / Answer

So, person A, is moving at 18 m/s due east and person B is moving30m/s due west. Person B "thinks" he is standing still so the 30m/s that he ismoving west is added to the 18m/s the other person is movingeast. So! Train B sees train A moving at 48m/s due east.

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