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Neglecting air resistance, the components of acceleration of an object that's dropped, tossed,

pitched, flung, lobbed, heaved, launched, or shot are constant.

The horizontal component is zero.

The vertical component is 9.8 meters per second2, directed downward.

These are both constant throughout the object's trajectory.

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Q: What are the horizontal and vertical components of the acceleration vector at the maximum height?
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