1. A graph is shown for a world-class track sprinter in a 100-m race.

a. What is his average velocity for the first 4s?

b. What is his instantaneous velocity at t = 5s?

c. What is his average acceleration between 0 and 4s?

d. What is his average acceleration between 4s and 10s?

Runner Veledry v. Time Slope 12 content 1 , 12) that man (40) a = stop Velocity ( m/s) m / 3 (0/0) . Time (s) Vaug = Vo + Uf a 15 = a, 35 -025 2Horizontal Velocity vs. Time Vertical Velocity vs. Time velocity (in/s) velocity [mys) 3 A time ( s) (e) In the two graphs below, plot the horizontal acceleration of the projectile vs. time and the vertical acceleration of the projectile vs. time Horizontal Acceleration vs. Time Vertical Acceleration vs. Time 30 acceleration(m/s/s) acceleration(m/s/s) 15 20 6 time (s) time (s)