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V(t) = ds/dt
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The highest velocity of an airgun is that of Evanix AR6 pistol which is 1000 fps.
yes
Average (when talking about the speed).
Just before it reaches the highest point, the vertical component of velocity is upward.Just after it passes the highest point, the vertical component of velocity is downward.There's no way you can change from an upward velocity to a downward velocity smoothlywithout velocity being zero at some instant. A.True.
its speed
Absolutely correct.
In that case, the velocity is zero.
The vertical velocity is zero at the highest point. It has ceased moving upward and will begin moving downward. Gravity and air resistance will have negated the original vertical velocity (y-component). So the velocity at the highest point has only a horizontal or x-component.
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