Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
Several smooth rods meet at a common point A. Rings slide down these rods, all starting from rest at the same instant. Show that after time
t
t
t
, the rings lie on a circle of radius
(
g
t
2
/
4
)
(g t^2 / 4)
(
g
t
2
/4
)
.
Browse the problem library