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A hollow sphere of radius 2 cm is attached to an 18 cm long thread to make a pendulum. Find the time period of oscillation of this pendulum. How does it differ from the time period calculated using the formula for a simple pendulum?
0.89 s, it is about 0.3% larger than the calculated value
length of the pendulum
This is a physical pendulum,
Where is the distance between center of mass and point of suspension.
If we consider this as a simple pendulum, then
Time period =
Difference in time period
% of
more than simple pendulum.