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the displacement (in meteers) of a particle moving in a straight line is given by s=t^2-8t+18 where t is measu?
s=t^2-8t+18 where t is measured in seconds. Find average velocity over each time interval [3,4]
I use v(a)=lim h-0 f(a+h)-f(a)/h = lim h-0 1(a+h)^2-1^2/h Am I on the right track???
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- ?Lv 41 decade agoFavorite Answer
It really depends on how we define average velocity, but let's keep it simple
s'(t) = 2t - 8
s'(3) = -2
s'(4) = 0
0 + -2/2 = -1
So the average velocity is -1m/s
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