If the hour and minute hand on a clock look identical, can you always determine the time?

If the hour and minute hand on a clock look identical, can you always determine the time?

Assessment

Interactive Video

Physics, Science

11th Grade - University

Hard

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The video explores a unique clock problem where the hour and minute hands are identical, making it challenging to determine the time. It discusses the possibility of switching the hands and still having a valid time. Using a coordinate system, the video demonstrates how to identify moments when the time is indistinguishable. The solution involves plotting times on a graph and identifying intersections where the hands can be switched without affecting the validity of the time. The video concludes with examples of such indistinguishable times.

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What new insight or understanding did you gain from this video?

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