velocity an acceleration

timer Asked: Sep 21st, 2015

Question description

A graph of v(t) is shown for a world-class track sprinter in a 100-m

race. (See Figure 2.67). 

(a) What is his average velocity for the first 4 s? (b) What is his instantaneous velocity at t = 5 s ? (c) What is his

average acceleration between 0 and 4 s? (d) What is his time for the race? 

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