A ball is thrown straight upwards with a velocity of 15 m/s. It reaches the top of its flight then falls back down and is caught exactly where it was thrown from. The instantaneous speed at the top of its path is     s = unit   The average velocity of the ball is     v = unit

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
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A ball is thrown straight upwards with a velocity of 15 m/s. It reaches the top of its flight then falls back down and is caught exactly where it was thrown from.

The instantaneous speed at the top of its path is

    s = unit

 

The average velocity of the ball is

    v = unit

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