Answer:
Time taken, t = 2.5 seconds
Step-by-step explanation:
It is given that,
Speed of the football player, v = 8 m/s
We have to find time taken by the football player to run 20 m. It can be calculated suing the formula of speed of the player i.e.

d = distance
t = time taken


t = 2.5 seconds
Hence, time taken by the football player is 2.5 seconds