Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Chapter 12.1, Problem 4aT
To determine
To Rank: The pressures at points A through F.
If the ranking is consistent with the equation
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Please answer parts B, C and D!
A beachball has a diameter of 24 cm and weighs about 6N.
A-What is the volume of the beachball? Then, use this number to calculate the beachball’s average density in kg m-3.
B-What is the volume of water displaced by the beachball if it is in the pool?
C- Now, using a rope, you tie the beachball to the bottom of the pool so only half of the ball is submerged. What would the diagram look like?
D- What is the buoyant force of the tethered beachball? What is the tension on the rope?
Q) Explain pressure in the fluid? And what is Pascal's principle?
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.
Chapter 12 Solutions
Tutorials in Introductory Physics
Ch. 12.1 - For each layer, draw a free-body diagram in the...Ch. 12.1 - Imagine that a small hole is opened in the...Ch. 12.1 - Prob. 2aTCh. 12.1 - Suppose you wanted to determine the pressure at...Ch. 12.1 - Prob. 2cTCh. 12.1 - Prob. 2dTCh. 12.1 - Draw a freebody diagram for the small voulme of...Ch. 12.1 - Prob. 3bTCh. 12.1 - Use your answer to part B to compare the pressures...Ch. 12.1 - Prob. 3dT
Ch. 12.1 - Consider the following student dialogue: Student...Ch. 12.1 - Prob. 4aTCh. 12.1 - The right end of the tube is now scaled with a...Ch. 12.1 - A syringe is used to remove some water from the...Ch. 12.2 - A cubical block is observed to float in a beaker...Ch. 12.2 - Prob. 1bTCh. 12.2 - Imagine that you were to release the block from...Ch. 12.2 - In general, does the buoyant force on an object...Ch. 12.2 - By how much does the volume reading increase when...Ch. 12.2 - Does the volume of water displaced by a completely...Ch. 12.2 - Consider the following statement made by a...Ch. 12.2 - A rectangular block, A, is released from rest at...Ch. 12.2 - A second block, B,of the same size and shape as A...Ch. 12.2 - A third block, C, of the same size and shape as A...
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- Fluid fills the container shown in the figure. At which of the indicated points is the pressure greatest? A) A B) B C) C D) D E) The pressure is the same at each of the labeled points. Explain:arrow_forwardFor numbers 1-3, only choose one correct answer. No need for explanation. 1. If water is filled in a glass of water, which part of thebottle experiences the greatest pressure? A. at the bottom B. at the top C. on its sides D. all are correct 2. WHich location should the water tnak be constructed in orderto supply household consumers? A. at the ground level B. below the gorund level C. highly elevated from the ground D. all are correct 3. What is the speed of sound when the temperature is 39 degree celsius in aluminum? A. 5119.2 m/s B. 5122.2m/s C. 5123.4 m/s D. 5127.4 m/sarrow_forwardDetermine the gauge pressure at point Aarrow_forward
- A physician judges the health of a heart by measuring the pressure with which it pumps blood. Part A If the physician mistakenly attaches the pressurized cuff around a standing patient's calf (about 0.82 m below the heart) instead of the arm (Figure 1), what error (in Pa) would be introduced in the heart's blood pressure measurement? Express your answer using two significant figures.arrow_forwardA diving bell is to be designed to withstand the pressure of sea water at a depth of 900 m. The density of seawater is 1,030 kg/m3. Solve this on the space provided in the answer sheet.a. What is the total pressure at this depth?b. What is the force due to this depth of the seawater on a circular glass 15 cm in diametarrow_forwardPlease 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 ?arrow_forward
- Water flows from the pipe shown in (Figure 1) with a speed of 4.0 m/s. Figure 1 of 1 Part A What is the water pressure as it exits into the air? Express your answer using four significant figures. P� = kPakPa SubmitRequest Answer Part B What is the height hℎ of the standing column of water?arrow_forward(next question) Based on the problem answered (as shown in the photo) The data are the same as in the previous example. Suppose now, however, that the bottom surfaces of the piston and plunger are at different levels, such that h = 1.10 m in figure (b). The car lift uses hydraulic oil that has a density of 8.00 x 102 kg/m3.What is the magnitude F1 of the input force that is now needed to produce an output force having a magnitude of F2 = 20500 N?arrow_forwardUsing the formula P=hDw, find the pressure in a water filled container 10ft high. Dw= 62.4lb/ft3arrow_forward
- The gauge pressure of the air-water interface in the tank shown in the figure to the right is 65 kPa. (a) Determine the absolute pressure at the interface between water and mercury. (b) What is the gauge pressure at the oil-mercury interface? (c) Determine the differential height h of the mercury column.arrow_forwardIn a hydraulic system, a boy of mass m is standing on one of the movable pistons having a rectangular shape with sides a and b. (a) What is the pressure in the hydraulic fluid? (b) What is the force exerted on another movable piston that has the form of a square with side a? plz also show step by step on how you acquired the formula you are using to solve this problem. Thank You!!!!arrow_forwardSolve for Part A and Part B A solid, square pinewood raft measures 4.0 m on a side and is 0.30 m thick.(a) Determine whether the raft floats in water, and(b) if so, how much of the raft is beneath the surface? Remember: Conversion factor(density of pinewood = 550 kg/m3, density of water = 1000 kg/m3)arrow_forward
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