Suppose the solid cylinder in the apparatus described in Example 9.8 (Section 9.4) is replaced by a
Question:
Suppose the solid cylinder in the apparatus described in Example 9.8 (Section 9.4) is replaced by a thin-walled, hollow cylinder with the same mass M and radius R. The cylinder is attached to the axle by spokes of a negligible moment of inertia.
(a) Find the speed of the hanging mass m just as it strikes the floor.
(b) Use energy concepts to explain why the answer to part (a) is different from the speed found in Example 9.8.
In Example 9.8:
We wrap a light, non stretching cable around a solid cylinder with mass M and radius R. The cylinder rotates with negligible friction about a stationary horizontal axis. We tie the free end of the cable to a block of mass m and release the block from rest at a distance h above the floor. As the block falls, the cable unwinds without stretching or slipping. Find expressions for the speed of the falling block and the angular speed of the cylinder as the block strikes the floor.
Step by Step Answer:
Identify Repeat the calculation in Example 98 but with a different expre...View the full answer
University Physics with Modern Physics
ISBN: 978-0321696861
13th edition
Authors: Hugh D. Young, Roger A. Freedman, A. Lewis Ford
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