Physics

A football quarter back runs 12 m straight down the playing field in 2.3 seconds (in the positive direction). He is then hit and pushed 1.5 m straight backwards in 1.95 seconds. He breaks the tackle and runs straight forward another 16 m in 4.2 seconds.

d1=12m

d2=1.5 m

d3=16m

t1=2.3s

t2=1.95s

t3=4.2 s

A. Calculate the quarterback’s average velocity in the horizontal direction during the first interval, in meters per second.

B. Calculate the quarterbacks’s average velocity in the horizontal direction during the second interval, in meters per second.

C. Calculate the quarterback’s average velocity in the horizontal direction during the third interval, in meters per second.

D. Calculate the quarterback’s average velocity in the horizontal direction for the entire motion, in meters per second.

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