# Physics

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During a baseball game, a batter hits a high pop-up. if the ball remains in the air for 4.2 seconds, how high does it rise? The accelleration of gravity is 9.8 m/s^2.

• Physics -

ignoring the height of contact

time up equals time down

h = .5 g t^2 = .5 * 9.8 * 2.1^2

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