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ω(t) = 2t - 1
s = 3 rad
Dit :
s(2)
Jwb :
ω(t) = 2t - 1
s(t) = t² - t
s(2) = so + t² - t = 3 + 2² - 2 = 3 + 4 - 2 = 5 rad
= 3 + t² -t
rt(2) = 3 + 2² -2
= 3+4-2
= 5rad