http://s29.postimg.org/91ewlx5jb/13_8.png Shown in the figure are four different

Question

http://s29.postimg.org/91ewlx5jb/13_8.png

Shown in the figure are four different pendulums:

pendulum (a): a rod has a mass M and length L;
pendulum (b): a rod has a mass 2M and length L;
pendulum (c): a mass M is attached to a massless string of a length L; and
pendulum (d): a mass M is attached to a massless string of length 1/2L.

Assume that each pendulum is pulled 17.2° to the right and then released. Find the correct period for each pendulum:

A 2 B 2 C 2



ABC pendulum (c)
ABC pendulum (a)
ABC pendulum (b)
ABC pendulum (d) Shown in the figure are four different pendulums: pendulum (a): a rod has a mass M and length L; pendulum (b): a rod has a mass 2M and length L; pendulum (c): a mass M is attached to a massless string of a length L; and pendulum (d): a mass M is attached to a massless string of length 1/2L. Assume that each pendulum is pulled 17.2A Degree to the right and then released. Find the correct period for each pendulum:

Explanation / Answer

a....C

b..............C

c..............B

d.........A

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