Solutions for University Physics (14th Edition)
Problem Q4.2DQ:
A ball thrown straight up has zero velocity at its highest point. Is the ball in equilibrium at this...Problem Q4.3DQ:
A helium balloon hovers in midair, neither ascending descending. Is it in equilibrium? What forces...Problem Q4.4DQ:
When you fly in an airplane at night in smooth air, you have no sensation of motion, even though the...Problem Q4.5DQ:
If the two ends of a rope in equilibrium are pulled with forces of equal magnitude and opposite...Problem Q4.6DQ:
You tie a brick lo the end of a rope and whirl the brick around you in a horizontal circle. Describe...Problem Q4.7DQ:
When a car stops suddenly, the passengers tend to move forward relative to their seats. Why? When a...Problem Q4.8DQ:
Some people say that the force of inertia (or force of momentum) throws the passengers forward when...Problem Q4.9DQ:
A passenger in a moving bus with no windows notices that a ball that has been at rest in the aisle...Problem Q4.10DQ:
Suppose you chose the fundamental physical quantities to be force, length, and time instead of mass,...Problem Q4.11DQ:
Why is the earth only approximately an inertial reference frame?Problem Q4.12DQ:
Does Newtons second law hold true for an observer in Ivan as it speeds up, slows down, or rounds a...Problem Q4.13DQ:
Some students refer to the quantity ma as the force of acceleration. Is it correct to refer to this...Problem Q4.14DQ:
The acceleration of a falling body is measured in an elevator that is traveling upward at a constant...Problem Q4.15DQ:
You can play catch with a softball in a bus moving with constant speed on a straight road, just as...Problem Q4.16DQ:
Students sometimes say that the force of gravity on an object is 9.8 m/s2. What is wrong with this...Problem Q4.17DQ:
Why can it hurt your foot more to kick a big rock than a small pebble? Must the big rock hurt more?...Problem Q4.18DQ:
Its not the fall that hurts you; its the sudden stop at the bottom. Translate this saying into the...Problem Q4.19DQ:
A person can dive into water from a height of 10 m without injury, but a person who jumps off the...Problem Q4.20DQ:
Why are cars designed to crumple in front and back for safety? Why not for side collisions and...Problem Q4.21DQ:
When a string barely strong enough lifts a heavy weight, it can lift the weight by a steady pull;...Problem Q4.22DQ:
A large crate is suspended from the end of a vertical rope. Is the tension in the rope greater when...Problem Q4.23DQ:
Which feels a greater pull due to the earths gravity; a 10-kg stone or a 20-kg stone? If you drop...Problem Q4.24DQ:
Why is it incorrect to say that 1.0 kg equals 2.2 lb?Problem Q4.25DQ:
A horse is hitched to a wagon. Since the wagon pulls back on the horse just as hard as the horse...Problem Q4.26DQ:
True or false? You exert a push P on an object and it pushes back on you with a force F. If the...Problem Q4.27DQ:
A large truck and a small compact car have a head-on collision. During the collision, the truck...Problem Q4.28DQ:
When a car comes to a stop on a level highway, what force causes it to slow down? When the car...Problem Q4.29DQ:
A small compact car is pushing a large van that has broken down, and they travel along the road with...Problem Q4.30DQ:
Consider a tug-of-war between two people who pull in opposite directions on the ends of a rope. By...Problem Q4.31DQ:
Boxes A and B are in contact on a horizontal, frictionless surface. You push on box A with a...Problem Q4.32DQ:
A manual for student pilots contains this passage: When an airplane flies at a steady altitude,...Problem Q4.33DQ:
If your hands are wet and no towel is handy, you can remove some of the excess water by shaking...Problem Q4.34DQ:
If you squat down (such as when you examine the books on a bottom shelf) and then suddenly get up,...Problem Q4.35DQ:
When a car is hit from behind, the occupants may experience whiplash. Use Newtons laws of motion to...Problem Q4.36DQ:
In a head-on auto collision, passengers who are not wearing seat belts may be thrown through the...Problem Q4.37DQ:
In a head-on collision between a compact 1000-kg car and a large 2500-kg car, which one experiences...Problem Q4.38DQ:
Suppose you are in a rocket with no windows, traveling in deep space far from other objects. Without...Problem 4.1E:
Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 60.0. If...Problem 4.2E:
To extricate an SUV stuck in the mud, workmen use three horizontal ropes, producing the force...Problem 4.3E:
BIO Jaw Injury. Due to a jaw injury, a patient must wear a strap (Fig. E4.3) that produces a net...Problem 4.4E:
A man is dragging a trunk up the loading ramp of a movers truck. The ramp has a slope angle of 20.0,...Problem 4.5E:
Forces F1 and F2act at a point. The magnitude of F1 is 9.00 N, and its direction is 60.0 above the...Problem 4.6E:
An electron (mass = 9.11 1031 kg) leaves one end of a TV picture tube with zero initial speed and...Problem 4.7E:
A 68.5-kg skater moving initially at 2.40 m/s on rough horizontal ice comes to rest uniformly in...Problem 4.8E:
You walk into an elevator, step onto a scale, and push the up button. You recall that your normal...Problem 4.9E:
A box rests on a frozen pond, which serves as a frictionless horizontal surface. If a fisherman...Problem 4.10E:
A dockworker applies a constant horizontal force of 80.0 N to a block of ice on a smooth horizontal...Problem 4.11E:
A hockey puck with mass 0.160 kg is at rest at the origin (x = 0) on the horizontal, frictionless...Problem 4.12E:
A crate with mass 32.5 kg initially at rest on a warehouse floor is acted on by a net horizontal...Problem 4.13E:
A 4.50-kg experimental cart undergoes an acceleration in a straight line (the x-axis). The graph in...Problem 4.14E:
A 2.75-kg cat moves in a straight line (the x-axis). Figure E4.14 shows a graph of the x-component...Problem 4.15E:
A small 8.00-kg rocket burns fuel that exerts a time varying upward force on the rocket (assume...Problem 4.16E:
An astronauts pack weighs 17.5 N when she is on the earth but only 3.24 N when she is at the surface...Problem 4.17E:
Superman throws a 2400-N boulder at an adversary. What horizontal force must Superman apply to the...Problem 4.18E:
BIO (a) An ordinary flea has a mass of 210 g. How many newtons does it weigh? (b) The mass of a...Problem 4.19E:
At the surface of Jupiters moon Io, the acceleration due to gravity is g = 1.81 m/s2. A watermelon...Problem 4.20E:
A small car of mass 380 kg is pushing a large truck of mass 900 kg due east on a level road. The car...Problem 4.21E:
BIO World-class sprinters can accelerate out of the starting blocks with an acceleration that is...Problem 4.22E:
The upward normal force exerted by the floor is 620 N on an elevator passenger who weighs 650 N....Problem 4.23E:
Boxes A and B are in contact on a horizontal, frictionless surface (Fig. E4.23). Box A has mass 20.0...Problem 4.24E:
A student of mass 45 kg jumps off a high diving board. What is the acceleration of the earth toward...Problem 4.25E:
Section 4.6 Free-Body Diagrams 4.25Crates A and B sit at rest side by side on a frictionless...Problem 4.26E:
You pull horizontally on block B in Fig. F4.26, causing both blocks to move together as a unit. For...Problem 4.27E:
A ball is hanging from a long siring that is tied to the ceiling of a train car traveling eastward...Problem 4.28E:
CP A .22-caliber rifle bullet traveling at 350 m/s strikes a large tree and penetrates it to a depth...Problem 4.29E:
A chair of mass 12.0 kg is sitting on the horizontal floor: the floor is not frictionless. You push...Problem 4.30P:
A large box containing your new computer sits on the bed of your pickup truck. You are stopped at a...Problem 4.31P:
CP A 5.60-kg bucket of water is accelerated upward by a cord of negligible mass whose breaking...Problem 4.32P:
CP You have just landed on Planet X. You release a 100-g ball from rest from a height of 10.0 m and...Problem 4.33P:
Two adults and a child want to push a wheeled cart in the direction marked x in Fig. P4.33. The two...Problem 4.34P:
CP An oil tankers engines have broken down, and the wind is blowing the tanker straight toward a...Problem 4.35P:
CP BIO A Standing Vertical Jump. Basketball player Darrell Griffith is on record as attaining a...Problem 4.36P:
CP An advertisement claims that a particular automobile can stop on a dime. What net force would be...Problem 4.37P:
BIO Human Biomechanics. The fastest pitched baseball was measured at 46 m/s. A typical baseball has...Problem 4.38P:
BIO Human Biomechanics. The fastest served tennis ball, served by Big Bill Tilden in 1931, was...Problem 4.39P:
Two crates, one with mass 4.00 kg and the other with mass 6.00 kg, sit on the frictionless surface...Problem 4.40P:
CP Two blocks connected by a light horizontal rope sit at rest on a horizontal, frictionless...Problem 4.41P:
CALC To study damage to aircraft that collide with large birds, you design a test gun that will...Problem 4.42P:
CP A 6.50-kg instrument is hanging by a vertical wire inside a spaceship that is blasting off from...Problem 4.43P:
BIO Insect Dynamics. The froghopper (Philaenus spumarius), the champion leaper of the insect world,...Problem 4.44P:
A loaded elevator with very worn cables has a total mass of 2200 kg, and the cables can withstand a...Problem 4.45P:
CP After an annual checkup, you leave your physicians office, where you weighed 683 N. You then get...Problem 4.46P:
CP A nail in a pine board stops a 4.9-N hammer head from an initial downward velocity of 3.2 m/s in...Problem 4.47P:
CP Jumping to the Ground. A 75.0-kg man steps off a platform 3.10 m above the ground. He keeps his...Problem 4.48P:
The two blocks in Fig. P4.48 are connected by a heavy uniform rope with a mass of 4.00 kg. An upward...Problem 4.49P:
CP Boxes A and B are connected to each end of a light vertical rope (Fig. P4.49). A constant upward...Problem 4.50P:
CP Extraterrestrial Physics. You have landed on an unknown planet, Newtonia, and want to know what...Problem 4.51P:
CP CALC A mysterious rocket-propelled object of mass 45.0 kg is initially at rest in the middle of...Problem 4.52P:
CALC The position of a training helicopter (weight 2.75 105N) in a test is given by r = (0.020...Problem 4.53P:
DATA The table gives automobile performance data for a few types of cars: Make and Model (Year) Mass...Problem 4.54P:
DATA An 8.00-kg box sits on a level floor. You give the box a sharp push and find that it travels...Problem 4.55P:
DATA You are a Starfleet captain going boldly where no man has gone before. You land on a distant...Problem 4.57PP:
BIO FORCES ON A DANCER'S BODY. Dancers experience large forces associated with the jumps they make....Problem 4.58PP:
BIO FORCES ON A DANCERS BODY. Dancers experience large forces associated with the jumps they make....Browse All Chapters of This Textbook
Chapter 1 - Units, Physical Quantities, And VectorsChapter 2 - Motion Along A Straight LineChapter 3 - Motion In Two Or Three DimensionsChapter 4 - Newton's Laws Of MotionChapter 5 - Applying Newton 's LawsChapter 6 - Work And Kinetic EnergyChapter 7 - Potential Energy And Energy ConservationChapter 8 - Momentum , Impulse, And CollisionsChapter 9 - Rotation Of Rigid BodiesChapter 10 - Dynamics Of Rotational Motion
Chapter 11 - Equilibrium And ElasticityChapter 12 - Fluid MechanicsChapter 13 - GravitationChapter 14 - Periodic MotionChapter 15 - Mechanical WavesChapter 16 - Sound And HearingChapter 17 - Temperature And HeatChapter 18 - Thermal Properties Of MatterChapter 19 - The First Law Of ThermodynamicsChapter 20 - The Second Law Of ThermodynamicsChapter 21 - Electric Charge And Electric FieldChapter 22 - Gauss's LawChapter 23 - Electric PotentialChapter 24 - Capacitance And DielectricsChapter 25 - Current, Resist Ance, And Electromotive ForceChapter 26 - Direct-current CircuitsChapter 27 - Magnetic Field And Magnetic ForcesChapter 28 - Sources Of Magnetic FieldChapter 29 - Electromagnetic InductionChapter 30 - InductanceChapter 31 - Alternating CurrentChapter 32 - Electromagnetic WavesChapter 33 - The Nature And Propagation Of LightChapter 34 - Geometric OpticsChapter 35 - InterferenceChapter 36 - DiffractionChapter 37 - Relativity
Sample Solutions for this Textbook
We offer sample solutions for University Physics (14th Edition) homework problems. See examples below:
Chapter 1, Problem Q1.1DQChapter 2, Problem Q2.1DQChapter 3, Problem Q3.1DQChapter 4, Problem Q4.1DQChapter 5, Problem Q5.1DQChapter 6, Problem Q6.1DQChapter 7, Problem Q7.1DQChapter 8, Problem Q8.1DQChapter 9, Problem Q9.1DQ
Chapter 10, Problem Q10.1DQChapter 11, Problem Q11.1DQChapter 12, Problem Q12.1DQChapter 13, Problem Q13.1DQChapter 14, Problem Q14.1DQChapter 15, Problem Q15.1DQSection 1: To determine: The changes in the frequency of the sound when it travels from air into...Chapter 17, Problem Q17.1DQChapter 18, Problem Q18.1DQExplanation: Work done by the system on the environment for the expansion of the burned gasoline-air...Chapter 20, Problem Q20.1DQChapter 21, Problem Q21.1DQChapter 22, Problem Q22.1DQChapter 23, Problem Q23.1DQChapter 24, Problem Q24.1DQChapter 25, Problem Q25.1DQChapter 26, Problem Q26.1DQChapter 27, Problem Q27.1DQChapter 28, Problem Q28.1DQChapter 29, Problem Q29.1DQChapter 30, Problem Q30.1DQChapter 31, Problem Q31.1DQChapter 32, Problem Q32.1DQChapter 33, Problem Q33.1DQChapter 34, Problem Q34.1DQChapter 35, Problem Q35.1DQChapter 36, Problem Q36.1DQChapter 37, Problem Q37.1DQ
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Sears And Zemansky's University Physics 16th Edition
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