**Unformatted text preview: **a 1 , the initial acceleration time t 1 , the time t 2 during which the train moves at constant speed and the magnitude a 2 of the final acceleration, the total distance x T is given by which yields the same result. , | | 2 2 | | ) ( 2 1 ) ( 2 1 2 1 1 2 1 1 1 2 2 1 1 2 1 1 2 1 1 T + + = + + = a t a t t t a a t a t t a t a x...

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- Velocity, Physical quantities, initial acceleration, initial acceleration a1