How far away from thedoor is passenger after three seconds

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A train, starting from rest, accelerates along the platform at a uniform rate of 0.6 m/s2. A passenger standing on the platform is 5 m away from the door when the train starts to pull away and heads toward the door at acceleration of 1.2 m/s2. How far away from thedoor is the passenger after 3 seconds?

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Reference no: EM13978142

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