Problem $20\mathrm{.}46-$ Enhanced $-$ with Hints and Feedback

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At the instant shown, the industrial manipulator is rotating about the $z$ axis at ${}_1=4\mathrm{.}7ra\frac{d}{s},$ and about joint $B$ at ${}_2=2ra\frac{d}{s}.=30,=45,$ and $r=1\mathrm{.}6m.($Figure $1)$

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Here we learn how to apply relative$-$motion analysis.

Part B

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$(a_A{)}_x,(a_A{)}_y,(a_A{)}_z=$

Determine the $x,y,$ and $z$ components of the acceleration of the grip $A$ at this instant using scalar notation.

Express your answers in meters per second squared to three significant figures separated by commas.

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