The position of an object as a function of time is given by x(t)=at^3 - bt^2 + ct -d where a=6.7 , b=3.8 , c=6 and d= 7 .
(a) Find the instantaneous acceleration at = 4.6 s.
(b) Find the average acceleration over the first 4.6 seconds.

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Tod ThielLv2

5 Oct 2019

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