If a 35 kg kid dives into the river to a depth of 3.5 m, what is the absolute pressure acting on him? What is the gauge pressure acting on him? Assume the flow rate of the river is negligible. The density of the water is 1000 kg/m3
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If a 35 kg kid dives into the river to a depth of 3.5 m, what is the absolute pressure acting
on him? What is the gauge pressure acting on him? Assume the flow rate of the
river is negligible. The density of the water is 1000 kg/m3
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- Water ( density=1*10^ 3 kg/m^ 3 ) flows at 17.8 m/s through a pipe with radius 0.05 m. This same pipe goes up to the second floor of the building3.2 m higher, and the pressure remains unchanged. What is the speed of the water flow on the second floor ?The gauge pressure in a balloon in measured by means of an open-tube manometer that uses water (density = 1.00 × 10' kg/m³). What gauge pressure p is indicated by a difference of 0.0181 m in the heights of the water columns? Pa p =The flow of blood to your legs is 12 cm3/s. You begin exercising, and your arteries dilate so that their radius increases by 30%. The pressure difference remains unchanged. What is the new flow rate: a) 34.3 cm3/s b) 15.6 cm3/s c) 20.3 cm3/s d) 360 cm3/s THEN... Using your result as the new flow rate, and 12 cm3/s as the old flow rate: if the pressure difference supplied by your heart was originally 120mmHg, select the correct option for what the new pressure difference would need to be if the radius did not change? a) 2.86 mmHg b) 1440 mmHg c) 343 mmHg d) 10 mmHg
- A tank is 10 m long, 6 m wide, 3 m high, and contains kerosene with density 820 kg/m³ to a depth of 2.5 m. (Use 9.8 m/s2 for the acceleration due to gravity.) (a) Find the hydrostatic pressure (in Pa) on the bottom of the tank. Pa (b) Find the hydrostatic force (in N) on the bottom the tank. N (c) Find the hydrostatic force (in N) on one end of the tank.What is the difference in blood pressure (mm-Hg) between the bottom of the feet and the top of the head of a 1.61-m-tall person standing vertically? 1 mm-Hg = 133 N/m^2. The density of blood is 1050 kg/m3What is the pressure on a fish 15.5 m under the ocean surface? (Density of ocean water = 1025 kg/m^3)
- Consider a fluid with uniform density 2600 kg/m3 within a large container. At a distance of 15 cm below the surface of the liquid, what is the pressure. Assume the acceleration of gravity is 10 m/s2.A cubical block of wood, 10.0 cm on a side, floats at the interface between oil and water with its lower surface 1.50 cm below the interface. The density of the oil is 790 kg/m3. (a) What is the gauge pressure at the upper face of the block? (b) What is the gauge pressure at the lower face of the block? (c) What are the mass and density of the block? Oil 10.0 Wood cm 10.0 Water cm