When swimming in the Dead Sea, people tend to float high in the water as compared with swimming in a fresh water lake. Why is this so?
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- A flotation device is in the shape of a right cylinder, with a height of 0.500m and a face area of 4.00m2 on top and bottom, and its density is 0.400 times that of fresh water. It is initially held fully submerged in fresh water, with its top face at the water surface.Then it is allowed to ascend gradually until it begins to float. How much work does the buoyant force do on the device during the ascent?It is said that Archimedes discovered the buoyancy lawswhen asked by King Hiero of Syracuse to determinewhether his new crown was pure gold (SG = 19.3).Archimedes measured the weight of the crown in air to be11.8 N and its weight in water to be 10.9 N. Was it pure gold?In the experiment, Hydrostatic Pressure, explain how do you determine the hydrostatic force due to water acting partially and fully submerged surface?
- Panels AB and CD in Fig. are each 120 cm wide intothe paper. ( a ) Can you deduce, by inspection, which panelhas the larger water force? ( b ) Even if your deduction isbrilliant, calculate the panel forces anyway.Consider a cubical water tank with a side length of 3.5 m. The tank is half filled with water, and is open to the atmosphere. Now, a truck carrying this tank is accelerated at a rate of 7 m/s^2 on a flat road. The maximum vertical rise (in meters) of free surface of the water is ?"A bottle consist of a cylinder 35 cm in diameter and 30 cm high and a neck 5 cm in diameter and 30 cm long. The bottle is inserted into a body of water, with the open end of the neck first until the neck is completely filled with water. Assuming the pressure of the atmosphere is standard, and neglecting vapor pressure, what is the depth to which the open end is submerged below the free surface? Show correct figure.
- Define the buoyant force and explain how it develops. Does the buoyant force vary with the depth of a submerged body? Why or why not?Consider a cubical water tank with a side length of 4 m. The tank is half filled with water, and is open to the atmosphere. Now, a truck carrying this tank is accelerated at a rate of 7 m/s^2 on a flat road. The maximum vertical rise (in meters) of free surface of the water is? only HANDWRITTEN answer needed ( NOT TYPED)A bottle consist of a cylinder 35 cm in diameter and 30 cm high and a neck 5 cm in diameter and 30 cm long. The bottle is inserted into a body of water, with the open end of the neck first until the neck is completely filled with water. Assuming the pressure of the atmosphere is standard, and neglecting vapor pressure, what is the depth to which the open end is submerged below the free surface? Show correct figure and detailed solution.
- A ring weighs (83.327×10^-4) N in air and (80.33×10^-4) N when submerged in water: 1. What is the volume of the ring? 2. What is the density of the ring? 3. What is the ring made of?A vertical rectangular plate is submerged half in oil (s = 0.80) and half in water such that its topedge is flushed with the oil surface. What is the ratio of the force exerted by water acting on thelower half to that by oil acting on the upper half?water has surface tension of 72 dyne/cm. what contact angel would water make with this surface?