The brain can retain the impression of the image of an object for 1/20of a second even when the image is no longer in front of the eyes . plz tell me whether it is true or false
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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.