At what angle will two pendulums collide?

  • #26
246
1
It would appear that the point of the problem is to determine if the student realizes that the period of a simple pendulum is independent of the angle as long as the angle is small so the two masses will reach the equilibrium position at the same time if released at the same time.
 
  • #27
PeterO
Homework Helper
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It would appear that the point of the problem is to determine if the student realizes that the period of a simple pendulum is independent of the angle as long as the angle is small so the two masses will reach the equilibrium position at the same time if released at the same time.

I certainly saw it as that on first reading, thus my question in post #2, and my interest in OP's answer that he/she was happy if the amplitude was 20o or less. I was concerned if 20o might be considered beyond the limit so the collision could be off appreciably to one side.
 

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