Answer :
Final answer:
The speed of the athlete at the end of the 3000 m race is 4.18 m/s.
Explanation:
To find the speed of the athlete at the end of the 3000 m race, we can use the equation:
final velocity = initial velocity + (acceleration x time)
Given that the athlete accelerates at 1.9 m/s^2 for 2.2 seconds and starts from rest, the initial velocity is 0 m/s. Plugging in the values, we have:
final velocity = 0 + (1.9 x 2.2) = 4.18 m/s
Therefore, the speed of the athlete at the end of the race is 4.18 m/s.
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