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anonymous

  • one year ago

a world class sprinter can burst out of the blocks to essentially top speed (of about 11.5m/s ) in the first 15.0 m of the race. what is the acceleration of this sprinterand how long does it take her to reach that speed

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  1. zephyr141
    • one year ago
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    use this equation to solve this problem, \[v^2=v_0^2+2ad\] solve for a. you have your knowns.

  2. Shikamaru11
    • one year ago
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    yeah the 3rd equation of motion :) @zephyr141 Sir

  3. anonymous
    • one year ago
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    https://akk.li/pics/anne/jpg that should help

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