Air is more elastic than water. a) True b) False
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Air is more elastic than water.
a) True
b) False
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- Momentum transfer cannot occur in a stationary liquid because: A.The momentum concentrations in all regions within the system is uniform B. The molecules do not have momentum C. The kinematic viscosity of the liquid is zero D. The collisions between the molecules are perfectly elasticIf the airstream from a hair dryer is directed over a table-tennis ball, the ball can be levitated. Explain.What is the ratio of the average distances that oxygen will diffuse in a given time in air and water? xair xwater = Why is this distance less in water (equivalently, why is D less in water)? A) There are more collisions due to the closer spacing between water molecules B) Oxygen is more massive in water than it is in airC) Oxygen is less massive in water than it is in air. D) There are more collisions due to the wider spacing between water molecules.
- The pressure drop in a pipeline changes by a factor of when the velocity of the flowing fluid is doubled O 0.5 O 4 02 O 1 O none of theseWhen you place an egg in water, it sinks. If you start adding salt to the water, after some time the egg floats. Explain.Can a person be "blown away" by a bullet? Explain your answer
- Q5/ Find a) gage pressure Po Unknown preessere P Ambient fluid Atmospheric pressure Gas h =10 cmn Reference fluid mercury b) gas pressure2. Red Bordeaux wine ( Patr -0.984g/ cm") is poured the right arm of a U-tube filled liquid mereury ( Pmercuy =13.6 g/cm') causing Wine Wine into with 3.00cm the %3D raising mercury level on the left arm by 3.0 cm and the right arm dropping by 6.0 ст. Merury (a) Cirele the pressure equations in the table below which correetly identify the equal pressure points on the left arm and on the right arm. Circle the correct equations aecording the points labeled in figure e P P P P P P. PP P P P Ps P-P. P P Ps-Pa Ps Ps P. P PP (b) What is h, the height of the wine column in the left arm?4.