6. During an extremely smoky and foggy day outside of Mordor, Sam and Frodo notice that a chain
hanging from the top of the wall and almost touches the ground, makes 5 complete swings in 25
seconds.
a. What is the frequency of the chain?
b. How tall is the wall?
C.
Frodo has a rope that is 30 Ells long. One Ell is 45 inches. Is Frodo's rope long enough?