An accelerating sprinter A sprinter measures that she can burst out of the blocks to essentially her top speed (of about 8.5 m/s) in the first 12 m of the race. 5a Assuming a constant acceleration, what is her average acceleration, in m/s²? Answer Show feedback 5b How long does it take her to reach that speed, in seconds? Answer Updated just now C

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Chapter1: Units, Trigonometry. And Vectors
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An accelerating sprinter
A sprinter measures that she can burst out of the blocks to essentially her top speed (of about 8.5 m/s) in the
first 12 m of the race.
5a Assuming a constant acceleration, what is her average acceleration, in m/s²?
Answer
Show feedback
5b How long does it take her to reach that speed, in seconds?
Answer
Show feedback
Updated just now
C
Transcribed Image Text:An accelerating sprinter A sprinter measures that she can burst out of the blocks to essentially her top speed (of about 8.5 m/s) in the first 12 m of the race. 5a Assuming a constant acceleration, what is her average acceleration, in m/s²? Answer Show feedback 5b How long does it take her to reach that speed, in seconds? Answer Show feedback Updated just now C
Expert Solution
Step 1

Given ,

Sprinter's initial speesd(u) = 0m/s 

Sprinter's top speed / final speed (v) = 8.5 m/s 

Distance travelled (s) = 12 m 

Sprinter moving with constant acceleration 

 

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