Suppose that your body has a uniform density of 0.95 times that of water. (a) If you float in a swimming pool, what fraction of your body’s volume is above the water surface? Quicksand is a fluid produced when water is forced up into sand, moving the sand grains away from one another so they are no longer locked together by friction. Pools of quicksand can form when water drains underground from hills into valleys where there are sand pockets. (b) If you float in a deep pool of quicksand that has a density 1.6 times that of water, what fraction of your body’s volume is above the quicksand surface? (c) Are you unable to breathe?
Fluid Pressure
The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.
Gauge Pressure
Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.
Suppose that your body has a uniform density of 0.95
times that of water. (a) If you float in a swimming pool, what fraction
of your body’s volume is above the water surface?
Quicksand is a fluid produced when water is forced up into
sand, moving the sand grains away from one another so they are no
longer locked together by friction. Pools of quicksand can form when
water drains underground from hills into valleys where there are
sand pockets. (b) If you float in a deep pool of quicksand that has a
density 1.6 times that of water, what fraction of your body’s volume is
above the quicksand surface? (c) Are you unable to breathe?
Trending now
This is a popular solution!
Step by step
Solved in 5 steps with 6 images
