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- A rock with a mass of 577 g in air is found to have an apparent mass of 363 g when submerged in water. (a) What mass (in g) of water is displaced? (b) What is the volume (in cm3) of the rock? (c) What is its average density (in g/cm3)? Is this consistent with the value for granite? (YES/NO)a stiff, 15-cm-long tube with an inner diameter of 3.5 mm is attached to a small hole in the side of a tall beaker. the tube sticks out horizontally. the beaker is filled with 20⁰c water to a level 50 cm above the hole, and it is continually topped off to it maintain that level. What is volume flow rate through the tube? The viscosity of water is 1.0×10^-3 Pa×s.If a kitchen sink has a volume of 20 L. Water flows in the sink with a mass flow rate of 0.5 kg/s. If the drain is closed, how long, in seconds, does it take for the sink to fill up? Density of water = 1000 kg/m3
- A cylinder that is h1=18.0 cm tall and open on top is filled with water. If a hole is made in the side of the cylinder, Δh=3.90 cm below the top level, how far x from the base of the cylinder will the stream land? Assume that the cylinder is large enough so that the level of the water in the cylinder does not drop significantly.Suppose blood is pumped from the heart at a rate of 5.1 L/min into the aorta of radius 1.3 cm a. Determine the speed of blood through the aorta, in centimeters per second.Three solid objects are floating in a liquid, as in the drawing. They have different weights and volumes, but have the same thickness (the dimension perpendicular to the screen). Rank the objects according to their density, largest first. O A, C, B O A, B, C O B, A, C O B, C, A O C, A, B C
- A sealed tank containing seawater to a height of 12.0 m also contains air above the water at a gauge pressure of 3.05 atm. Water flows out from the bottom through a small hole. Calculate the speed with which the water comes out of the tank. Express your answer in meters per second.A bottle has a neck of diameter 3.5 cm and a base of 13 cm. It is completely filled with a fluid and the fluid in the neck is struck with a force of 125 N. What force is exerted on the base?You’re carrying a garden hose that is spewing out water. You notice that when you cover part of the opening of the hose with your thumb, the water shoots out farther! Explain why this works using the equation of continuity.