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The tolerance is + 1 in the 3rd significant digit. A train at a constant 49.0 km/h moves east for 38.0 min, then in a

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The tolerance is + 1 in the 3rd significant digit. A train at a constant 49.0 km/h moves east for 38.0 min, then in a direction 53.0 east of due north for 22.0 min, and then west for 48.0 min. What are the (a) magnitude and (b) angle (relative to east) of its average velocity during this trip? (a) Number Units C (b) Number i Units

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