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2015-02-18T14:57:53+08:00

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The speed will increase but the velocity will get zero as it reaches its maximum height.............
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2015-02-21T16:29:15+08:00

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First let us remember what the terms speed and velocity got to do here. Speed is a scalar quantity, velocity is a vector- is has direction but its magnitude it that of the speed.     As the ball reaches maximum height, Ymax, its velocity becomes zero; thus its speed also is. It slows down until it is zero then it turns its direction to get down to the ground again, with its speed accelerating with g.  ...

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