3.6 Problem Solving
Conservation of Energy
Rope Swing Example
Pendulums are popular energy problems. Test your knowledge by trying the problem below.
Example:
A girl runs at top speed (5.0 m/s) and grasps a 4.0 m rope hanging vertically from a tall tree at the edge of a lake.
a) how high can she swing upward?
b) does her mass affect the answer?
c) does the length of the vine affect the answer?
Answer: 1.3 m
