A ball of mass m = 0.75 kg is thrown straight upward with an initial speed of 8.9 m/s.
(a) Plot the gravitational potential energy of the ball from its launch height, y = 0, to the height y = 5.0 m. Let U = 0 correspond to y = 0.
(b) Determine the turning point (maximum height) of the ball. |

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