Thursday, July 26, 2018

Sphinx-related riddle


My 3rd grader brought an assignment home about the Giza plateau, and one of his questions was the following riddle:




What creature with one voice walks on four legs in the morning, on two at noon, and on three in the evening?



This totally puzzles me; the only thing I can think of is an unfortunate human being who's been through a lot the night before (silly joke on my part).


Can you solve the Sphinx's riddle?




No comments:

Post a Comment

classical mechanics - Moment of a force about a given axis (Torque) - Scalar or vectorial?

I am studying Statics and saw that: The moment of a force about a given axis (or Torque) is defined by the equation: $M_X = (\vec r \times \...