Answer:
The maximum acceleration experienced by the sprinter is and it is experienced in the first phase when the sprinter starts his sprint.
Explanation:
Since the sprinter attains a final speed of 34 km/h in runing 200 meters while starting from rest we have
Using the third equation of kinematics we have
where
v is the final speed
u is the initial speed
a is the acceleration
s is the distance covered
Since it is given that sprinter starts from rest thus u= 0 m/s and v= 34 km/h = 9.4m/s this speed is attained at s = 78 m
Applying values in the above equation we get
Since after that the sprinter moves at a constant velocity thus in that phase it's acceleration is
Now since the sprinter decelerates to 30 km/h or 8.33 m/s in final 63 meters thus the deceleration experienced is again found by third equation of kinematics as
Upon comparing the maximum acceleration experienced by the sprinter is
Answer:
A distraction or a saftey hazard.
Explanation:
That is all i can think of to answer your question.
-Hope this helps!
Justin:)
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