Kinematics

Balls Acceleration


<div class="wp-block-create-block-problemblock">A whiffle ball is tossed straight up, reaches its highest point, and falls back down.  Air resistance is not negligible.  Which of the following statements are true?<br />i.  The balls speed is zero a the highest point<br />ii.  The balls acceleration is zero at the highest point.  <br />iii.  The ball takes a longer time to travel up to the highest point than to fall back down.<br /><ul><li>i only</li><li>ii only</li><li>i &#038; ii only</li><li>i &#038; iii only</li><li>i, ii, and iii</li></ul></div>


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https://www.youtube.com/watch?v=RlLIgtSuEVs&#038;t=02m55s
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