How to Teach Problems… | BenRogers

Physics is all about the problems.

In my last post, I picked apart the knowledge I needed to solve this physics problem:
A bottle of water is suspended from a fixed point by a inextensible rope. The bottle is set in motion and the system swings as a pendulum. However, the bottle leaks and the water slowly flows out of the bottom of it. How does the period of the swinging motion change as the water is lost?
200 Puzzling Physics Problems (with hints and solutions) by Gnadig, Honyek and Riley (2001)

The knowledge included:
knowledge about pendulums
knowledge about how physics…

Continue reading at:
http://ift.tt/2nVG5E0

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