Abird flutters around in a tree in a path described by the dark line: image with no arrow
which vector represents the average velocity of the bird?

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For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.

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