Question: Link A B has the angular velocity A B = 4 r a d s and angular acceleration A B = 9 r a d

Link

A B

has the angular velocity

_{A B} = 4 r a \frac{d}{s}

and angular acceleration

_{A B} = 9 r a \frac{d}{s^{2}} . (

Figure

1)

Determine the angular acceleration of link

C D

measured counterclockwise.

Express your answer in radians per second squared to three significant figures. Enter positive value if the angular acceleration is counterclockwise and negative value if the angular acceleration is clockwise.

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Link A B has the angular velocity A B = 4 r a d s

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