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Mathematics 8 Online
OpenStudy (badsheep):

The velocity of a ball as it is thrown up is 20 meters/second. It attains zero velocity after 3.5 seconds. What is the average acceleration of the ball during its upward flight? 5.7 meters/second 0.57 meters/second -0.57 meters/second2 -5.7 meters/second2 5.5 meters/second2

OpenStudy (anonymous):

5.7 m/s2

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