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I 'm havingtrouble calculating Acceleration?
I know Acceleration is change in velocity / change in time... but i still need help
Question: Calculate the object's average acceleration from 4 seconds to 9 seconds. At t=4 seconds, the object traveled 100 m/s and at t=9 seconds, the object traveled 0 m/s.
1 Answer
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- AnthonyLv 78 years agoFavorite Answer
Average acceleration is
(0 - 100)/(9 - 4) m/s^2 = - 20 m/s^2
negative sign indicates deceleration)
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