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? a. 5.7 meters/second b. 0.57 meters/second c. -0.57 meters/second2 d. -5.7 meters/second2 e. 5.5 meters/second2
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The velocity of a ball as it is thrown up is 20 meters/second. it attains zero velocity after 3.5 se...
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