Question: Take a ball outside and throw it straight up in the air as hard as you can. By counting seconds yourself, or by enlisting a

Take a ball outside and throw it straight up in the air as hard as you can. By counting seconds yourself, or by enlisting a friend with a watch, estimate the time that the ball remains in the air. From this information, can you find the initial velocity that you gave to the ball? (The time required for the ball to reach the high point is just half the total time of flight.)

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