Course Solutions Uncategorized (Solved) : Disk Radius R Mass M Moment Inertia Mr2 2 Rolls Without Slipping Incline Onto Horizontal T Q32941638 . . . .

(Solved) : Disk Radius R Mass M Moment Inertia Mr2 2 Rolls Without Slipping Incline Onto Horizontal T Q32941638 . . . .

 

Frictionless Ramp

fig14b.gifA disk of radiusR, mass M and moment of inertia I =MR2/2 rolls without slipping down an inclineand onto a horizontal table. The disk then continues to the rightand goes up a frictionless ramp. The disk starts at rest at aheight h above the table, as shown.

Which one of the choices at right is an expression for the speedof the center of mass of the disk when it reaches the bottom of theramp?

(a)   
(b)   
(c)   
(d)   
(e)   

What is the maximum height above the table that the disk reacheson the frictionless ramp?

(a)   less than h
(b)   h
(c)   greater than h

Frictionless Ramp Show

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