University Physics Volume 11st EditionSamuel J Ling Jeff, Sanny, William Moebs Publisher: OpenStaxISBN: 9781630182137
University Physics Volume 1
Solutions for University Physics Volume 1
Problem 14.1CYU:
Check Your Understanding If the reservoir in Example 14.1 covered twice the area, but was kept to...Problem 14.2CYU:
Check Your Understanding Mercury is a hazardous substance. Why do you suppose mercury is typically...Problem 14.3CYU:
Check Your Understanding Would a hydraulic press still operate properly if a gas is used instead of...Problem 1CQ:
Which of the following substances are fluids at room temperature and atmospheric pressure: air,...Problem 3CQ:
Explain how the density of air varies with altitude.Problem 4CQ:
The images show a glass of ice water filled to the brim. Will the water overflow when the ice melts?...Problem 6CQ:
Why is a force exerted by a static fluid on a surface always perpendicular to the surface?Problem 7CQ:
Imagine a remote location near the Nott Pole, a chunk of Ice floats a lake. Next to lake, a glacier...Problem 8CQ:
In ballet, dancing en pointe (on the tips of the toes) is much harder on the toes normal dancing or...Problem 9CQ:
Atmospheric pressure exerts a large force (equal to the weight of the atmosphere above your...Problem 11CQ:
The image shows how sandbags placed around a leak outside a river levee can effectively stop the...Problem 13CQ:
Does atmospheric pressure add to the gas pressure in a rigid tank? In a toy balloon? When, in...Problem 14CQ:
You can break a strong wine bottle by pounding a cork into it with your fist, but the cork must...Problem 15CQ:
Explain why the fluid reaches equal levels on either side of a manometer if both sides are open to...Problem 16CQ:
Suppose the master cylinder in a hydraulic system is at a greater height than the cylinder it is...Problem 17CQ:
More force is required to pull the plug in a full bathtub than when it is empty. Does this...Problem 18CQ:
Do fluids exert buoyant forces in a “weightless" environment, such as in the space shuttle? Explain...Problem 20CQ:
Marbles dropped into a partially filled bathtub sink to the bottom. Part of their weight is...Problem 21CQ:
Mary figures in the show streamlines. Explain why fluid velocity is greatest where streamlines are...Problem 22CQ:
You can squirt water from a garden hose a considerably greater distance by partially covering the...Problem 23CQ:
Water is shot nearly vertically upward in a decorative fountain and the steam observed to broaden as...Problem 24CQ:
Look back to figure 14.29. Answer the following two question. Why is poless than atmospheric? Why is...Problem 25CQ:
A tube with a narrow segment designed to enhance entrainment is called a Venturi, such as below....Problem 26CQ:
Some chimney pipes have a T-shape, with a crosspiece on top that helps draw up gases whenever there...Problem 27CQ:
Is there a limit to the height to which an entrainment device can raise a fluid? Explain your...Problem 28CQ:
Why is it preferable for airplanes to take off into the wind rather than with the wind?Problem 29CQ:
Roofs are sometimes pushed off vertically a tropical cyclone, and buildings sometimes explode...Problem 30CQ:
It is dangerous to stud close to railroad tracks when a rapidly moving commuter train passes....Problem 31CQ:
Water pressure inside a hose nozzle can be less atmospheric pressure due to the Bernoulli effect....Problem 32CQ:
David rolled down the window on his car while driving on freeway. An empty plastic bag on the floor...Problem 33CQ:
Based on Bernoulli’s equation, what are three forms of energy a fluid? (Note that these forms are...Problem 34CQ:
The old rubber boot below has leaks. To what maximum height can water squirt from Leak 1? How does...Problem 35CQ:
Water pressure inside a hose nozzle can be less than atmospheric pressure due to the Bernoulli...Problem 36CQ:
Explain why the viscosity of a liquid decreases with temperature, that is, how might an increase in...Problem 37CQ:
When paddling a canoe upstream, it is wisest to travel as near to the shore as possible. When...Problem 38CQ:
Plumbing usually includes air-filled tubes tear water faucets (see the following figure). Explain...Problem 39CQ:
Doppler ultrasound can be used to measure the speed of blood in the body. If there is a constriction...Problem 40CQ:
Sink drains often have a device such as that shown below to help speed the flow of water. How does...Problem 41P:
Gold is sold by the troy ounce (31.103 g). What is the volume of 1 troy ounce of pure sold?Problem 42P:
Mercury is commonly supplied in flasks containing 34.5 kg (about 76 Ib.). What is the volume in...Problem 43P:
What is the mass deep breath of air having a volume of 2.00 L? Discuss this effect taking such a...Problem 44P:
A straightforward method of finding the density of an object is to measure its mass and then measure...Problem 45P:
Suppose you have a coffee with a circular cross-section and vertical sides (uniform radius). What is...Problem 46P:
A rectangular gasoline tank bold 30.0 kg of gasoline when full. What is the depth of the tank if is...Problem 47P:
A trash compactor can compress its contents to 0.350 times their original volume. Neglecting mass of...Problem 48P:
A 2.50-kg steel gasoline can holds 20.0 L of gasoline when full. What is the average density of gas...Problem 49P:
What is the density of 18.0-karat gold that is a mixture of 18 parts gold, 5 parts silver, and 1...Problem 50P:
The tip of a nail exerts tremendous pressure when hit by a hammer because it exerts a large force...Problem 51P:
A glass tube mercury. What would be the height of the column of mercury which would create pressure...Problem 52P:
The greatest ocean depths on Earth are found in the Marianas Trench near the Philippines. Calculate...Problem 53P:
Verigy that the SI of hpg is N/m2.Problem 54P:
What pressure is exerted the bottom of a gas tank that is 0.500-m wide and 0.900-m long and can hold...Problem 55P:
A dam is used to hold back a river. The dam has a height H=12m and a width W=10m . Assume that...Problem 56P:
Find ae gauge and absolute pressures in be balloon and peanut jar shown Figure 14.12, assuming be...Problem 58P:
Assuming bicycle tires are perfectly flexible and support the weight of bicycle and rider by...Problem 59P:
Pascal’s Principle and Hydraulics 59. How much pressure is transmitted in the hydraulic system...Problem 60P:
What force must exerted on the master cylinder of a hydraulic lift to support the weight of a...Problem 61P:
A host pours the remnants of several of wine into a jug a party. The host then inserts a cork with a...Problem 62P:
A certain hydraulic system is designed to exert a force 100 times as large as the put into it. (a)...Problem 63P:
Verify that work input equals work output for a hydraulic system assuming no losses due to fiction....Problem 64P:
What fraction of ice is submerged when it floats in freshwater, given the density of water 0°C is...Problem 65P:
If a person's body has a density of 995 kg/m3, what fraction of the body will be submerged when...Problem 66P:
A rock with a mass of 540 g in air is found to have an apparent mass of 342 g when submerged in...Problem 67P:
Archimedes' principle can be used to calculate the density of a fluid as well as that of a solid....Problem 68P:
Calculate the buoyant force a 200-L helium balloon. (b) Given mass of rubber balloon is 1.50 g, what...Problem 69P:
What is density of a woman floats in fresh water with 4.00% of her volume above the surface? (This...Problem 70P:
A man has a mass of 80 kg and a density of 955kg/m3 (excluding the air in his lungs). (a) Calculate...Problem 71P:
A simple compass cute made by placing a small bar magnet on a cork floating in water. (a) What...Problem 72P:
What percentage of an iron anchor’s weight will be supported by buoyant force when submerged in salt...Problem 73P:
Referring to Figure 14.20, prove that the buoyant force on be cylinder is equal to the weight of the...Problem 74P:
A 75.0-kg floats in freshwater 3.00% of his volume above water when his are empty, and 5.00% of his...Problem 75P:
What is the average flow rate in cm3/s of gasoline to the engine of a car traveling at 100 km/h if...Problem 76P:
The heart of a resting adult pumps blood at a rate of 5.00 L/min. (a) Convert this to cm3/s. (b)...Problem 77P:
The Huka Falls on the Waikato River is one of New Zealand's most visited natural tourist...Problem 78P:
(a) Estimate the time it would take to a private swimming pool with a capacity of 80,000 L using a...Problem 79P:
What is the fluid speed a hose a 9.00-cm diameter 80.0 L of water per second? (b) What is the flow...Problem 80P:
Water is moving at a velocity of 2.00 m/s through a hose with internal diameter of 1.60 cm. (a) What...Problem 81P:
Prove the sped of an incompressible fluid through a constriction, such as a Venturi tube, increases...Problem 82P:
Water emerges straight down from a faucet with a 1.80-cm diameter at a speed of 0.500 m/s. (Because...Problem 84P:
Suppose you have a wind speed gauge like the pitot tube shown in Figure 14.32. By what factor must...Problem 85P:
If be pressure reading of your pitot tube is 15.0 mm Hg at a speed of 200 km/h, what will it be at...Problem 86P:
Every few years, winds in Boulder, Colorado, attain sustained speeds of 43.0 m/s (about 100 mph)...Problem 87P:
What is the pressure drop due to the Bernoulli Effect as water goes into a 3.00-cm-diameter nozzle...Problem 88P:
(a) Using Bernoulli's equation, show that be measured fluid speed v for a pitot tube, like the one...Problem 89P:
A container of water has a cross-sectional area of A=0.1m2 . A piston sits top of the water (see be...Problem 90P:
A fluid of a constant density flows through a reduction in a pipe. Find an equation for be change in...Problem 91P:
(a) Calculate the retarding force due to viscosity of the air layer between a cart and a level air...Problem 92P:
The arterioles (small arteries) leading to organ constrict in order to decrease flow to the organ....Problem 93P:
A spherical particle falling at a terminal speed in a liquid must have the gravitational force...Problem 94P:
Using the equation of the previous problem, find the viscosity of motor oil in which a steel ball of...Problem 95P:
A skydiver will reach a terminal velocity when the air drag equals his or her weight. For a skydiver...Problem 96P:
(a) Verify that a 19.0% decrease in laminar flow through a tube is caused by a 5.00% decrease in...Problem 97P:
When physicians diagnose arterial blockages, they quote reduction flow rate. If the flow rate an...Problem 98P:
An oil gusher shoots crude 25.0 m the through a pipe with a 0.100-m diameter. Neglecting resistance...Problem 99P:
Concrete is pumped from a cement mixer to the place it is being lad, instead of being carried...Problem 100P:
Verify that flow of oil is laminar for an oil gusher that shoots crude oil 25.0 m into the air...Problem 101P:
Calculate Reynolds numbers for flow of trough (a) a nozzle a radius of 0.250 cm and (b) a garden...Problem 102P:
A fire hose has an inside diameter of 6.40 cm. Suppose such a hose caries a flow of 40.0 L/s...Problem 103P:
At what rate might turbulence begin to develop in a water main with a 0.200-m diameter? Assume a...Problem 104AP:
Before digital storage devices, such as the memory in your cell phone, music was stored vinyl disks...Problem 105AP:
Water towers store water above the level of consumers for times of heavy use, eliminating need for...Problem 106AP:
The aqueous humor in a person's eye is exerting a force of 0.300 N on the 1.10-cm2 area of the...Problem 107AP:
(a) Convert normal blood pressure readings of 120 over 80 mm Hg to newtons per meter squared using...Problem 108AP:
Pressure cookers have been around for more than 300 years, although their use has greatly declined...Problem 109AP:
Bird bones have air pockets to reduce their weight—this also gives them an average density...Problem 110AP:
In an immersion measurement of a woman's density, she is found to have a mass of 62.0 kg in air an...Problem 111AP:
Some have a density slightly less than that of water and must exert a force (swim) to stay...Problem 112AP:
The human circulation system has approximately 1109 vessels. Each vessel has a diameter of about 8m...Problem 113AP:
The flow of blood through a 2.00106 m -radius capillary is 3.80109cm3/s . (a) What is the speed of...Problem 114AP:
The left ventricle of a resting adult's heart pumps blood at a flow rate of 83.0 cm3/s , increasing...Problem 115AP:
A sump pump (used to drain water from be basement of houses built below the water table) is draining...Problem 116AP:
A glucose solution being administered with an IV has a flow rate of 4.00 cm3/min. What will the new...Problem 117AP:
A small artery has a length of 1.1103m and a radius of 2.55105m . If the pressure drop across the...Problem 118AP:
Angioplasty is a technique in which arteries partially blocked with plaque are dilated to increase...Problem 119AP:
Suppose a blood vessel's radius is decreased to 90.0% of its original value by plague deposits and...Problem 120CP:
The pressure dam early in problems section increases with depth. Therefore, there is net torque on...Problem 121CP:
The temperature of atmosphere is not always constant and can increase or decrease with height. In a...Problem 122CP:
A submarine is stranded on the bottom of the ocean with its hatch 25.0 m below surface. Calculate...Problem 123CP:
Logs sometimes float vertically a lake because one end has become water-logged and denser than the...Problem 124CP:
Scurrilous con artists have been known to represent gold-plated tungsten ingots as pure gold and...Problem 125CP:
The inside volume of a house is equivalent to that of a rectangular solid 13.0 m wide by 200 m long...Problem 126CP:
A garden hose with a diameter of 2.0 cm is used to fill a bucket, which has a volume of 0.10 cubic...Problem 127CP:
A frequency quoted rule of thumb aircraft design is that wings should produce about 1000 N of lift...Problem 128CP:
Two pipes of equal and constant diameter leave a water pumping and dump water cut of open end that...Problem 129CP:
Fluid originally flows through a tube at a rate of 100 cm3/s. To illustrate the sensitivity of flow...Problem 130CP:
During a marathon race, a runner's blood flow increases to 10.0 times her resting rate. Her blood's...Browse All Chapters of This Textbook
Chapter 1 - Units And MeasurementChapter 2 - VectorsChapter 3 - Motion Along A Straight LineChapter 4 - Motion In Two And Three DimensionsChapter 5 - Newton's Law Of MotionChapter 6 - Applications Of Newton's LawsChapter 7 - Work And Kinetic EnergyChapter 8 - Potential Energy And Conservation Of EnergyChapter 9 - Linear Momentum And CollisionsChapter 10 - Fixed-axis Rotation
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