A 20-Kg Solid Disk Rolls Without Slipping on a Horizontal Surface

question 35

Multiple Choice

A 2.0-kg solid disk rolls without slipping on a horizontal surface so that its center proceeds to the right with speed 5.0 m/s.
The point A is the uppermost point on the disk and the point B is along the horizontal line that connects the center of the disk to the rim.
-What is the instantaneous speed of point B with respect to the ground?

• A)zero m/s
• B)5.0 m/s
• C)7.1 m/s
• D)7.5 m/s
• E)10.0 m/s

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