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Mathematics 21 Online
OpenStudy (anonymous):

The position equation for the movement of a particle is given by s= (t^2 - 1) ^3 when "s" is measured in feet and "t" is measured in seconds. Find the acceleration at two seconds. So, I know it's p" for acceleration, but I don't know how to get there. I think y' = 3(2t)^2; but I am not sure. Also once I found y" do I substitute 2 for "t"? HELP PLEASE!!1

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