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Atrain 483 m long is moving on a straight track with a speed of 42.4 m/s. the engineer applies the brakes at a crossing, and later the last car passes the crossing with a speed of 8.6 m/s. assuming constant acceleration, determine how long the train blocked the crossing. disregard the width of the crossing. answer in units of s.
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Atrain 483 m long is moving on a straight track with a speed of 42.4 m/s. the engineer applies the b...
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