Asked by Anonymous
An athlete wants to complete the 4000 m run in 12.0 minutes. After exactly 10.0 minutes of running at a constant speed, she still has 800 m to go. If she then accelerates to 4.0 m/s^2, how much longer will it take her to complete the race?
Answers
Answered by
bobpursley
She is traveling at 3200m/12(60)sec
figure out that.
d=vi*t+1/2 (4)t^2
d is 800, vi is above, solve for t.
figure out that.
d=vi*t+1/2 (4)t^2
d is 800, vi is above, solve for t.
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