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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- 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.2. 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.
- A 2.8 kg rectangular air mattress is 2.00 m long, 0.500 m wide, and 0.100 thick. What mass can it support in water before sinkingMc5•35 Three children, each of weight 356 N, make a log raft by lashing together logs of diameter 0.30 m and length 1.80 m. How many logs will be needed to keep them afloat in fresh water? Take the den- sity of the logs to be 800 kg/m?.