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Lösning 3.1:1

FörberedandeFysik

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a) v=v0+at=10ms+3ms26s=28ms


b) OA: v2=v02+2as(10(ms)2=0+2(4ms2)OA(m)OA=125m AB: s=v+21at2AB=(10ms)(6s)+21(3ms2)(6s)2=114m

OB=OA+AB=1265m