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## Homework Statement

I have posted the problem in an attachment.

## Homework Equations

Aa = Ab + Aab (acceleration at a is equal to the the acceleration of b plus the acceleration of A with respect to B)

Aa = ωob x [ωob x Rob] + [αab x Rab]

Va = Vb + Vab

## The Attempt at a Solution

First, I got the relative positions (Rob and Rab) of O with respect to B (-0.1 j) and A with respect to B (-0.229i - 0.1j) I feel pretty good about this being correct

Now, when I plug in to the 2nd equation I have in the "relevant equations" part and do a lot of cross products, I get the following:

Aa = -1000j - 0.229αab j + 0.1αab i

Now I am unsure how to proceed from here. I still have not found any of the three items that I'm asked to find and kind of stuck on where to go next. Any help is much appreciated.