The disk is moving to the left such that it has an angular acceleration αα = 9 rad/s2rad/s2 and angular velocity ωω = 2 rad/srad/s at the instant shown. It does not slip at AA. Suppose that rrr = 0.4 mm .    Part A.) Determine the magnitude of the acceleration of point BB. Express your answer to three significant figures and include the appropriate units.   Part B Determine the direction of the acceleration of point BB measured clockwise from the positive xx axis. Express your answer using three significant figures.

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Chapter1: Units, Trigonometry. And Vectors
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The disk is moving to the left such that it has an angular acceleration αα = 9 rad/s2rad/s2 and angular velocity ωω = 2 rad/srad/s at the instant shown. It does not slip at AA. Suppose that rrr = 0.4 mm . 

 

Part A.)

Determine the magnitude of the acceleration of point BB.
Express your answer to three significant figures and include the appropriate units.
 

Part B

Determine the direction of the acceleration of point BB measured clockwise from the positive xx axis.
Express your answer using three significant figures.
 
thanks for your help! ive been stuck on this problem all day
The disk is moving to the left such that it has an angular
acceleration a = 9 rad/s² and angular velocity
w = 2 rad/s at the instant shown. It does not slip at A.
Suppose that r = 0.4 m. (Figure 1)
Figure
1 of 1
>
α
30°
B
Transcribed Image Text:The disk is moving to the left such that it has an angular acceleration a = 9 rad/s² and angular velocity w = 2 rad/s at the instant shown. It does not slip at A. Suppose that r = 0.4 m. (Figure 1) Figure 1 of 1 > α 30° B
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