If you walk in the direction of the train's travel you're walking at 66 mph. Opposite to that 64 mph....BOTH relative to the ground...because the train's speed is measured relative to the ground......right?
In either case if it's relative to the train you are walking 1 mph....not taking vectors into account.
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If you walk in the direction of the train's travel you're walking at 66 mph. Opposite to that 64 mph....BOTH relative to the ground...because the train's speed is measured relative to the ground......right?
In either case if it's relative to the train you are walking 1 mph....not taking vectors into account.
(1) If I walk at 1 mph relative to the moving train & in the same direction, then I am traveling at
66 mph relative to the ground.
(2) If I walk opposite to the direction of the moving train at 1 mph, then I am traveling at 64 mph
relative to the ground.
In both cases above, I am walking at 1 mph relative to thr train.
no you travel the speed of the train minus friction