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a subway train is moving to the left (has a negative
Chapter 25, Problem 16CQ(choose chapter or problem)
QUESTION:
a subway train is moving to the left (has a negative velocity) and then comes to a stop, what is the direction of its acceleration? Is the acceleration positive or negative?
Questions & Answers
QUESTION:
a subway train is moving to the left (has a negative velocity) and then comes to a stop, what is the direction of its acceleration? Is the acceleration positive or negative?
ANSWER:Step-by-step solution Step 1 of 2 Here the moving train stops, so the velocity of train is decreasing. Therefore it is deceleration, so the acceleration is in direction opposite of velocity of the train.