10. Fluids
Question Name Average time to answer (seconds) Total correct answers Total incorrect answers
  The figure shows a simple barometer which consists of a U-tube ... ...
  Why is it difficult for the man to breathe?
  Which expression most nearly gives the force his muscles must ... ...
    What is the pressure 5 meters below the surface ... ...
    To what volume should the balloon be filled to ... ...
    Which expression is an approximation for the density ... ...
    A 70-kg man would weigh mg = (70 kg)(9.8 m/s2) ... ...
    A cork floats with three quarters of its volume ... ...
    An object floats with one tenth of its volume out ... ...
  What would be the velocity of the stream if the little Dutch ... ...
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