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Category > Physics Posted 14 Jun 2017 My Price 4.00

A world record was set for the men's 100 m dash in the 2008 Olympic Games in Beijing

A world record was set for the men's 100 m dash in the 2008 Olympic Games in Beijing by Usain Bolt of Jamaica. Bolt "coasted" across the finish line with a time of 9.69 s. If we assume that Bolt accelerated for 2.82 s to reach his maximum speed, and maintained that speed for the rest of the race, calculate his maximum speed (in m/s) and his acceleration (in m/s2). maximum speed m/s acceleration m/s2 (b) During the same Olympics, Bolt also set the world record in the 200 m dash with a time of 19.30 s. Using the same assumptions as for the 100 m dash, what was his maximum speed for this race (in m/s)? m/s

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Alpha Geek
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Status NEW Posted 14 Jun 2017 09:06 AM My Price 4.00

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file 1497432468-Answer.docx preview (70 words )
A-----------nsw-----------er ----------- a-----------) D-----------ist-----------anc-----------e c-----------ove-----------red----------- du-----------rin-----------g a-----------cce-----------ler-----------ati-----------on,----------- s1----------- = -----------(1/-----------2)a-----------t 1----------- 2 -----------= (-----------1/2-----------)v -----------max----------- t -----------1 =----------- 0.-----------5*2-----------.82-----------*v -----------max----------- Di-----------sta-----------nce----------- co-----------ver-----------ed -----------dur-----------ing----------- co-----------nst-----------ant----------- sp-----------eed-----------, s-----------2 =----------- v -----------max----------- *t----------- 2 -----------= (-----------9.6-----------9 ------------ 2.-----------82)-----------*v -----------max----------- To-----------tal----------- di-----------sta-----------nce-----------, s----------- = -----------s1 -----------+ s-----------2 o-----------r 1-----------00 -----------= 0-----------.5*-----------2.8-----------2*v----------- ma-----------x +----------- (9-----------.69----------- - -----------2.8-----------2)*-----------v m-----------ax -----------or -----------v m-----------ax -----------= 1-----------2.0-----------63 -----------m/s----------- ac-----------cel-----------era-----------tio-----------n, -----------a =----------- (v----------- ma-----------x ------------ 0)-----------/t -----------1 =----------- 12-----------.06-----------3/2-----------.82----------- = -----------4 -----------
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