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If a subway train is moving to the left (has a negative
Chapter 2, Problem 16(choose chapter or problem)
QUESTION:
If 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:
If 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 1 of 3
A train in the subway came to a stop while the train was moving in a negative direction. That is the initial velocity of the train is negative. Find out the direction of the acceleration and find out the sign of the acceleration.