ball_toss1 - Tossing a Ball for Exam 1 SAR Physics Andrew M...

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Tossing a Ball for Exam 1 SAR Physics Andrew M Kolchin Just before the break, and in the context of homework #6, we examined the kinematics of tossing a ball upwards. We split the motion into three stages: 1. the ball on its way up. 2. the ball at its maximum height. 3. the ball on its way down. We looked at the kinematics by discussing the velocity and ac- celeration of the ball during these various stages. We also talked about the PULL on the ball due to the Earth and emphasized that PULL CAUSES ACCELERATION. If there is a net pull on the ball, then there is an acceleration on the ball in the di- rection of this net pull. Stage velocity pull acceleration I. Ball on its way up upwards downwards downwards and slowing (due to gravity) (due to the pull) II. Ball at maximum height zero (stopped) downwards downwards changes direction (due to gravity) (due to pull) III. Ball on its way down downwards downwards downwards speeds up (due to gravity) (due to the pull) 1
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ball_toss1 - Tossing a Ball for Exam 1 SAR Physics Andrew M...

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