Usain Bolt accelerates at a rate of 3.7 m/s2 and his top speed is 12.7 m/s. How
long does it take for him to run the 100m
dash based on these numbers

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.