The 22-kg roll of paper has a radius of gyration kA = 90 mm about an axis passing through point A. It is pin supported at both ends by two brackets AB. The roll rests against a wall for which the coefficient of kinetic friction is 4 = 0.2 and a vertical force F = 28 N is applied to the end of the paper. (Fjgure 1) Part A Determine the angular acceleration of the roll as the paper unrolls. Express your answer using three significant figures. Enter positive value if the angular acceleration is clockwise and negative value if the angular acceleration is counterclockwise. Vol AEo vec a = rad/s? Submit Request Answer igure < 1 of 1> Provide Feedback Next> 300 mm 125 mm

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The 22-kg roll of paper has a radius of gyration
kA = 90 mm about an axis passing through point A. It is pin
supported at both ends by two brackets AB. The roll rests
against a wall for which the coefficient of kinetic friction is
Hk = 0.2 and a vertical force F = 28 N is applied to the end
of the paper. (Figure 1)
Part A
Determine the angular acceleration of the roll as the paper unrolls.
Express your answer using three significant figures. Enter positive value if the angular acceleration is clockwise and negative value if the
angular acceleration is counterclockwise.
V AZO vec
?
a =
rad/s?
Submit
Request Answer
Figure
1 of 1
Provide Feedback
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300 mm
125 mm
Transcribed Image Text:The 22-kg roll of paper has a radius of gyration kA = 90 mm about an axis passing through point A. It is pin supported at both ends by two brackets AB. The roll rests against a wall for which the coefficient of kinetic friction is Hk = 0.2 and a vertical force F = 28 N is applied to the end of the paper. (Figure 1) Part A Determine the angular acceleration of the roll as the paper unrolls. Express your answer using three significant figures. Enter positive value if the angular acceleration is clockwise and negative value if the angular acceleration is counterclockwise. V AZO vec ? a = rad/s? Submit Request Answer Figure 1 of 1 Provide Feedback Next > 300 mm 125 mm
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