A rock is suspended by a light string. When the rock is in air, the tension in the string is 40.1 N. When the rock is totally immersed in water, the tension is 28.6 N. When the rock is totally immersed in an unknown liquid, the tension is 18.1 N Part A What is the density of the unknown liquid? p= Submit VG ΑΣΦ Request Answer ? kg/m³
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- A 905 NN athlete in very good condition does not float in a freshwater pool. To keep him from sinking to the bottom, an upward force of 20 NN must be applied to him. 1. What is his volume? Express your answer with the appropriate units. 2. What is his average density? Express your answer with the appropriate units.Suppose your body has a density of 988 kg/m3. part a) What fraction of you will be submerged when floating gently in freshwater (with density 1000 kg/m3)? (hint: vsf/vo) part b) What fraction of you will be submerged when floating gently in salt water (with a density of 1027 kg/m3)?Practice Exercise 19 Advertisements of a new car from Toyota claim that it floats in water. If the car’s mass is 950kg and its interior volume is 2.5m3, what fraction of the car is immersed when it floats? You can ignore the volume of steel and other materials. When water gradually leaks in and displaces the air in the car, what fraction of the interior volume is filled with water when the car sinks?
- Please i need the fastest answers. What is the pressure (in Pascal ) on a submarine window located 442 m below the surface. The density of sea water is 1025 kg/m^ ^ 3 . Use atmospheric pressure as 1.013*10^ ^ 5 Pa A woman with a mass m = 76Kg is wearing high heels . Each shoe has a surface area of 38.2 cm^ ^ 2 . How much pressure is exerted on the ground by the high heels ?A large block has dimensions of length = 0.15 m, width = 0.2 m, and depth = 0.5 m. It has a mass of 117 kg. The volume of a block, Vblock = (length) x (width) x (depth). (a) Using the table shown, what is the block made of? (b) If completely under water, what is the buoyant force acting on the block?Suppose a woman floats in freshwater with 3.75 % of her volume above the surface of the water. Part (a) What is the density, in kilograms per cubic meter, of the woman? This could be measured by placing her in a tank with marks on the side to measure how much water she displaces when floating and when held under water (briefly). Part (b) What percent of her volume is above the surface when she floats in seawater, with density 1025 kg/m3?
- Can you please help me solve this.. A man is standing on a 5kg plank of wood 1m x 1m x 5cm in water. What value of mass would likely cause the man and the wood to sink? If the mass of the man is 40kg, determine the depth of wood submerged. Will the man sink with the wood or will he and the wood float? Solve for: (a) mass that could sink the man and the wood (b) depth of submerged wood in cm •Pls answer with complete and detailed solution (3 DECIMAL PLACES all final answers with correct units) •Sketch an illustration/diagram with labels (this is a must; for a better understanding) Thank you I will give your answer a LIKE for helping me...In an immersion measurement of a woman's density, she is found to have a mass of 62.0 kg in air and an apparent mass of 0.0850 kg when completely submerged with lungs empty. (a) What mass of water does she displace? (b) What is her volume? (c) Calculate her density. (d) If her lung capacity is 1.75 L is she able to float without treading water with her lungs filled with air?A patient is receiving saline solution from an intravenous (IV) system. The solution passes through a needle of length 2.1 cm and radius 0.195mm. There is an 8.00 mm-Hg gauge pressure in the patient's vein.Use the density of seawater, 1025 kg/m3, for the solution. Assume its viscosity at 20 °C is 1.002×10−31.002×10−3 Pa·s. a. When the surface of the saline solution in the IV system is 1.25 m above the patient’s vein, calculate the gauge pressure, in pascals, in the solution as it enters the needle. For this first calculation, assume the fluid is approximately at rest. b. The actual volume flow rate of the saline solution through the IV system is determined by its passage through the needle. Find the volume flow rate, in cubic centimeters per second, when the saline solution surface is 1.25 m above the patient’s vein. c. If the saline solution bag is lowered sufficiently, the surface of the solution can reach a height at which the flow will stop, and reverse direction at even lesser…
- A bird moving in air or a fish moving in water experiences a force opposite to its direction of motion. Do you expect any change in the magnitude of this force? (a) If additional external pressure is applied to fluid and its pressure is increased to P0-0.10°Pa. (b) If the fluid is external pressure is reduced to P0-0.10°Pa. Clearly mention your assumptions (if there is any) and justify your answer for each case.Carlos is diving 11.0 m below the sea surface (p = 1.027x10 3 kg/m3), find the total pressure that Carlos experiences.Equation 13.7 Archimedes’ principle FB = ρfVfg allows us to calculate the magnitude of the buoyant force, match the answers with questions. What is ρf? What is g? What is Vf? A. gravitational constant, 9.8 m/s2 B. density of the fluid C. density of the object D. volume of the object inside the fluid E. volume of the object F. volume of the object outside the fluid