physics

Turner’s treadmill starts with a velocity of
−2.9 m/s and speeds up at regular intervals
during a half-hour workout.After 23 min, the
treadmill has a velocity of −7.9 m/s.
What is the average acceleration of the
treadmill during this period?
Answer in units of m/s2

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  1. (7.1m/s - 2.7m/s)/(33min X 60sec/min)

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