A ball launched directly upward from the ground at an initial speed of (24.5 mathrm{~m} / mathrm{s})

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A ball launched directly upward from the ground at an initial speed of \(24.5 \mathrm{~m} / \mathrm{s}\) hits the ground \(5.0 \mathrm{~s}\) later. What are

(a) the ball's upward position 1. 0, 2. 0, 3. 0, and \(4.0 \mathrm{~s}\) after launch; \((b)\) its upward velocity \(1.0,2.0,3.0\) and \(4.0 \mathrm{~s}\) after launch;

(c) its average velocity while it is in the air; and \((d)\) its average speed for the entire trip?

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