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QUESTION
A ball rolling along a straight line with velocity -2.1 m/s goes from x = 2.1 m to x = -2.1 m. how much time does this take?
A ball rolling along a straight line with velocity -2.1 m/s goes from x = 2.1 m to x = -2.1 m. how much time does this take?
show me clearly pls.
