Question

(a) A ball is thrown upward, reaches its maximum height, and then falls back. If air resistance is negligible, and you take upward as positive, the ball's acceleration as it rises is: a. -9.8 m/s^2 b. need more information c. less than 9.8 m/s^2 d. 0 e. +9.8 m/s^2 (b) A ball thrown upward reaches its maximum height, and then falls back. If air resistance is negligible, and you take upward as positive, the ball's acceleration when it reaches the maximum height is: a. -9.8 m/s^2 b. need more information c. less than 9.8 m/s^2 d. 0 e. +9.8 m/s^2 (c) A ball is thrown upward, reaches its maximum height, and then falls back. If air resistance is negligible, and you take upward as positive, the ball's acceleration as it falls back down is: a. -9.8 m/s^2 b. need more information c. less than 9.8 m/s^2 d. 0 e. +9.8 m/s^2

          (a) A ball is thrown upward, reaches its maximum height, and then falls back. If air resistance is negligible, and you take upward as positive, the ball's acceleration as it rises is: a. -9.8 m/s^2 b. need more information c. less than 9.8 m/s^2 d. 0 e. +9.8 m/s^2
(b) A ball thrown upward reaches its maximum height, and then falls back. If air resistance is negligible, and you take upward as positive, the ball's acceleration when it reaches the maximum height is: a. -9.8 m/s^2 b. need more information c. less than 9.8 m/s^2 d. 0 e. +9.8 m/s^2
(c) A ball is thrown upward, reaches its maximum height, and then falls back. If air resistance is negligible, and you take upward as positive, the ball's acceleration as it falls back down is: a. -9.8 m/s^2 b. need more information c. less than 9.8 m/s^2 d. 0 e. +9.8 m/s^2

Added by Gabriela L.

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