The pendulum on a grandfather clock is 0.993m, long, and swings to a maximum 4.57 angle. How fast is it moving at the lowest point in its swing? - Quora
a) A pendulum of length L with circular bob of radius, r, and mass, m.... | Download Scientific Diagram
Why is often recommended that the angle of swing of the pendulum be made as small as possible? - Quora
![Does air resistance have a greater affect on longer pendulums than shorter ones due to the greater exposure it has to air? - Physics Stack Exchange Does air resistance have a greater affect on longer pendulums than shorter ones due to the greater exposure it has to air? - Physics Stack Exchange](https://i.stack.imgur.com/1kv65.jpg)