Solutions for University Physics (14th Edition)
Problem Q2.2DQ:
The black dots at the top of Fig. Q2.2 represent a series of high-speed photographs of an insect...Problem Q2.3DQ:
Can an object with constant acceleration reverse its direction of travel? Can it reverse its...Problem Q2.5DQ:
Is it possible for an object to be (a) slowing down while its acceleration is increasing in...Problem Q2.6DQ:
Under what conditions does the magnitude of the average velocity equal the average speed?Problem Q2.7DQ:
When a Dodge Viper is at Elwoods Car Wash, a BMW Z3 is at Elm and Main. Later, when the Dodge...Problem Q2.8DQ:
A driver in Massachusetts was sent to traffic court for speeding. The evidence against the driver...Problem Q2.9DQ:
Can you have zero displacement and nonzero average velocity? Zero displacement and nonzero velocity?...Problem Q2.11DQ:
Can you have zero velocity and nonzero average acceleration? Zero velocity and nonzero acceleration?...Problem Q2.12DQ:
An automobile is traveling west. Can it have a velocity toward the west and at the same time have an...Problem Q2.13DQ:
The officials truck in Fig. 2.2 is at x1 = 277 m at t1 = 16.0 s and is at x2 = 19 m at t2 = 25.0 s....Problem Q2.14DQ:
Under constant acceleration the average velocity of a particle is half the sum of its initial and...Problem Q2.15DQ:
You throw a baseball straight up in the air so that it rises to a maximum height much greater than...Problem Q2.16DQ:
Prove these statements: (a) As long as you can ignore the effects of the air, if you throw anything...Problem Q2.17DQ:
A dripping water faucet steadily releases drops 1.0 s apart. As these drops fall, does the distance...Problem Q2.18DQ:
If you know the initial position and initial velocity of a vehicle and have a record of the...Problem Q2.19DQ:
From the top of a tall building, you throw one ball straight up with speed 0 and one bal1 straight...Problem Q2.20DQ:
You run due cast at a constant speed of 3.00 m/s for a distance of 120.0 m and then continue running...Problem Q2.21DQ:
An object is thrown straight up into the air and feels no air resistance. How can the object have an...Problem Q2.22DQ:
When you drop an object from a certain height, it takes time T to reach the ground with no air...Problem 2.1E:
A car travels in the +x-direction on a straight and level road. For the first 4.00 s of its motion,...Problem 2.2E:
In an experiment, a shearwater (a seabird) was taken from its nest, flown 5150 km away, and...Problem 2.3E:
Trip Home. You normally drive on the freeway between San Diego and Los Angeles at an average speed...Problem 2.4E:
From Pillar to Post. Starting from a pillar, you run 200 m cast (the +x-direction) at an average...Problem 2.5E:
Starting from the front door of a ranch house, you walk 60.0 m due east to a windmill, turn around,...Problem 2.6E:
A Honda Civic travels in a straight line along a road. The cars distance x from a stop sign is given...Problem 2.7E:
CALC A car is stopped at a traffic light. It then travels along a straight road such that its...Problem 2.8E:
CALC A bird is flying due east. Its distance from a tall building is given by x(t) = 28.0 m + (12.4...Problem 2.9E:
A ball moves in a straight line (the x-axis). The graph in Fig. E2.9 shows this balls velocity as a...Problem 2.10E:
A physics professor leaves her house and walks along the sidewalk toward campus. After 5 min it...Problem 2.11E:
A test car travels in a straight line along the x-axis. The graph in Fig. E2.11 shows the cars...Problem 2.12E:
Figure E2.12 shows the velocity of a solar-powered car as a function of time. The driver accelerates...Problem 2.13E:
The Fastest (and Most Expensive) Car! The table shows test data for the Bugatti Veyron Super Sport,...Problem 2.14E:
CALC A race car starts from rest and travels east along a straight and level track. For the first...Problem 2.15E:
CALC A turtle crawls along a straight line, which we will call the x-axis with the positive...Problem 2.16E:
An astronaut has left the International Space Station to test a new space scooter. Her partner...Problem 2.17E:
CALC A cars velocity as a function of time is given by x(t) = + t2, where = 3.00m/s and = 0.100...Problem 2.18E:
CALC The position of the front bumper of a test car under microprocessor control is given by x(t) =...Problem 2.19E:
An antelope moving with constant acceleration covers the distance between two points 70.0 m apart in...Problem 2.20E:
BIO Blackout? A jet fighter pilot wishes to accelerate from rest at a constant acceleration of 5g to...Problem 2.21E:
A Fast Pitch. The fastest measured pitched baseball left the pitchers hand at a speed of 45.0 m/s....Problem 2.22E:
A Tennis Serve. In the fastest measured tennis serve, the ball left the racquet at 73.14 m/s. A...Problem 2.23E:
BIO Automobile Air Bags. The human body can survive an acceleration trauma incident (sudden stop) if...Problem 2.24E:
BIO A pilot who accelerates at more than 4g begins to gray out but doesnt completely lose...Problem 2.25E:
BIO Air-Bag Injuries. During an auto accident, the vehicles air bags deploy and slow down the...Problem 2.26E:
BIO Prevention of Hip Fractures. Falls resulting in hip fractures are a major cause of injury and...Problem 2.27E:
BIO Are We Martians? It has been suggested, and not facetiously, that life might have originated on...Problem 2.28E:
Entering the Freeway. A car sits on an entrance ramp to a freeway, waiting for a break in the...Problem 2.29E:
At launch a rocket ship weighs 4.5 million pounds. When it is launched from rest, it takes 8.00 s to...Problem 2.30E:
A cat walks in a straight line, which we shall call the x-axis, with the positive direction to the...Problem 2.31E:
The graph in Fig. E2.31 shows the velocity of a motorcycle police officer plotted as a function of...Problem 2.32E:
Two cars, A and B, move along the x-axis. Figure F.2.32 is a graph of the positions of A and B...Problem 2.33E:
A small block has constant acceleration as it slides down a frictionless incline. The block is...Problem 2.34E:
At the instant the traffic light turns green, a car that has been waiting at an intersection starts...Problem 2.35E:
(a) If a flea can jump straight up to a height of 0.440 m, what is its initial speed as it leaves...Problem 2.36E:
A small rock is thrown vertically upward with a speed of 22.0 m/s from the edge of the roof of a...Problem 2.37E:
A juggler throws a bowling pin straight up with an initial speed of 8.20 m/s. How much time elapses...Problem 2.38E:
You throw a glob of putty straight up toward the ceiling, which is 3.60 m above the point where the...Problem 2.39E:
A tennis ball on Mars, where the acceleration due to gravity is 0.379g and air resistance is...Problem 2.40E:
Touchdown on the Moon. A lunar lander is making its descent to Moon Base I (Fig. E2.40). The lander...Problem 2.41E:
A Simple Reaction-Time Test. A meter stick is held vertically above your hand, with the lower end...Problem 2.42E:
A brick is dropped (zero initial speed) from the roof of a building. The brick strikes the ground in...Problem 2.43E:
Launch Failure. A 7500-kg rocket blasts off vertically from the launch pad with a constant upward...Problem 2.44E:
A hot-air balloonist, rising vertically with a constant velocity of magnitude 5.00 m/s, releases a...Problem 2.45E:
BIO The rocket-driven sled Sonic Wind No. 2, used for investigating the physiological effects of...Problem 2.46E:
An egg is thrown nearly vertically upward from a point near the cornice of a tall building. The egg...Problem 2.47E:
A 15-kg rock is dropped from rest on the earth and reaches the ground in 1.75 s. When it is dropped...Problem 2.48E:
A large boulder is ejected vertically upward from a volcano with an initial speed of 40.0 m/s....Problem 2.49E:
You throw a small rock straight up front the edge of a highway bridge that crosses a river. The rock...Problem 2.50E:
CALC A small object moves along the x-axis with acceleration ax(t) = (0.0320 m/s3)(15.0 s t). At t...Problem 2.51E:
CALC A rocket starts from rest and moves upward from the surface of the earth. For the first 10.0 s...Problem 2.52E:
CALC The acceleration of a bus is given by ax(t) = t, where = 1.2 m/s3. (a) If the buss velocity at...Problem 2.53E:
CALC The acceleration of a motorcycle is given by ax(t) = At Bt2, where A = 1.50 m/s3 and B = 0.120...Problem 2.54E:
BIO Flying Leap of the Flea. High-speed motion pictures (3500 frames/second) of a jumping, 210-g...Problem 2.55P:
BIO A typical male sprinter can maintain his maximum acceleration for 2.0 s. and his maximum speed...Problem 2.56P:
CALC A lunar lander is descending toward the moons surface. Until the lander reaches the surface,...Problem 2.57P:
Earthquake Analysis. Earthquakes produce several types of shock waves. The most well known are the...Problem 2.58P:
A brick is dropped from the roof of a tall building. After it has been falling for a few seconds, it...Problem 2.59P:
A rocket carrying a satellite is accelerating straight up from the earths surface. At 1.15 s after...Problem 2.60P:
A subway train starts from rest at a station and accelerates at a rate of 1.60 m/s2 for 14.0 s. It...Problem 2.61P:
A gazelle is running in a straight line (the x-axis). The graph in Fig. P2.61 shows this animals...Problem 2.62P:
Collision. The engineer of a passenger train traveling at 25.0 m/s sights a freight train whose...Problem 2.63P:
A ball starts from rest and rolls down a hill with uniform acceleration, traveling 200 m during the...Problem 2.64P:
Two cars start 200 m apart and drive toward each other at a steady 10 m/s. On the front of one of...Problem 2.65P:
A car and a truck start from rest at the same instant, with the car initially at some distance...Problem 2.66P:
You are standing at rest at a bus stop. A bus moving at a constant speed of 5.00 m/s passes you....Problem 2.67P:
Passing. The driver of a car wishes to pass a truck that is traveling at a constant speed of 20.0...Problem 2.68P:
CALC An objects velocity is measured to be vx(t) = t2, where = 4.00 m/s and = 2.00 m/s3, At t =...Problem 2.69P:
CALC The acceleration of a particle is given by ax(t) = 2.00 m/s2 + (3.00 m/s3)t. (a) Find the...Problem 2.70P:
Egg Drop. You are on the roof of the physics building, 46.0 m above the ground (Fig. P2.70). Your...Problem 2.71P:
A certain volcano on earth can eject rocks vertically to a maximum height H. (a) How high (in terms...Problem 2.72P:
An entertainer juggles balls while doing other activities. In one act, she throws a ball vertically...Problem 2.73P:
Look Out Below. Sam heaves a 16-lb shot straight up, giving it a constant upward acceleration from...Problem 2.74P:
A flowerpot falls off a windowsill and passes the window of the story below. Ignore air resistance....Problem 2.75P:
Two stones are thrown vertically upward from the ground, one with three times the initial speed of...Problem 2.76P:
A Multistage Rocket. In the first stage of a two-stage rocket, the rocket is fired from the launch...Problem 2.77P:
During your summer internship for an aerospace company, you are asked to design a small research...Problem 2.78P:
A physics teacher performing an outdoor demonstration suddenly falls from rest off a high cliff and...Problem 2.79P:
A helicopter carrying Dr. Evil takes off with a constant upward acceleration of 5.0 m/s2. Secret...Problem 2.80P:
Cliff Height. You are climbing in the High Sierra when you suddenly find yourself at the edge of a...Problem 2.81P:
CALC An object is moving along the x-axis. At t = 0 it has velocity 0x = 20.0 m/s. Starting at time...Problem 2.82P:
A ball is thrown straight up from the ground with speed 0. At the same instant, a second ball is...Problem 2.83P:
CALC Cars A and B travel in a straight line. The distance of A from the starting point is given as a...Problem 2.84P:
DATA In your physics lab you release a small glider from rest at various points on a long,...Problem 2.85P:
DATA In a physics lab experiment, you release a small steel ball at various heights above the ground...Problem 2.86P:
DATA A model car starts from rest and travels in a straight line. A smartphone mounted on the car...Problem 2.87CP:
In the vertical jump, an athlete starts from a crouch and jumps upward as high as possible. Even the...Problem 2.88CP:
Catching the Bus. A student is running at her top speed of 5.0 m/s to catch a bus, which is stopped...Problem 2.89CP:
A ball is thrown straight up from the edge of the roof of a building. A second ball is dropped from...Problem 2.90PP:
BIO BLOOD FLOW IN THE HEART. The human circulatory system is closedthat is. the blood pumped out of...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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