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 11.1CYU:
Check Your Understanding A hollow cylinder is on an incline at an angle of 60 . The coefficient of...Problem 11.2CYU:
Check Your Understanding A proton spiraling around a magnetic field executes circular motion in the...Problem 11.3CYU:
Check Your Understanding Which has greater angular momentum: a solid sphere of mass m rotating at a...Problem 11.4CYU:
Check Your Understanding A merry-go-round at a playground is rotating at 4.0 rev/min. Three children...Problem 11.5CYU:
Check Your Understanding A top has a precession frequency of 5.0 rad/s on Earth. What is its...Problem 1CQ:
Can a round object released from rest at the top of a frictionless incline undergo rolling motion?Problem 2CQ:
A cylindrical can of radius R is rolling across a horizontal surface without slipping. (a) After one...Problem 3CQ:
A wheel is released from the top on an incline. Is the wheel most likely to slip if the incline is...Problem 4CQ:
Which rolls down an inclined plane faster, a hollow cylinder or a solid sphere? Both have the same...Problem 5CQ:
A hollow sphere and a hollow cylinder of the same radius and mass roll up an incline without...Problem 6CQ:
Can you assign an angular momentum to a particle without first defining a reference point?Problem 7CQ:
For a particle traveling in a straight line, are there any points about which the angular momentum...Problem 9CQ:
If a particle is moving with respect to a chosen origin it has linear momentum. What conditions must...Problem 10CQ:
If you know the velocity of a particle, can you say anything about the particle’s angular momentum?Problem 11CQ:
What is the purpose of the small propeller at the back of a helicopter that rotates in the plane...Problem 12CQ:
Suppose a child walks from the outer edge of a rotating merry-go-round to the inside. Does the...Problem 13CQ:
As the rope of a tethered ball winds around a pole, what happens to the angular velocity of the...Problem 14CQ:
Suppose the polar ice sheets broke free and floated toward Earth’s equator without melting. What...Problem 15CQ:
Explain why stars spin faster when they collapse.Problem 16CQ:
Competitive divers pull their limbs in and curl up their bodies when they do flips. Just before...Problem 17CQ:
Gyroscopes used in guidance systems to indicate directions in space must have an angular momentum...Problem 18CQ:
Earth precesses about its vertical axis with a period of 26,000 years. Discuss whether Equation...Problem 19P:
What is the angular velocity of a 75.0-cm-diameter tire on an automobile traveling at 90.0 km/h?Problem 20P:
A boy rides his bicycle 2.00 km. The wheels have radius 30.0 cm. What is the total angle the tires...Problem 21P:
If the boy on the bicycle in the preceding problem accelerates from rest to a speed of 10.0 m/s in...Problem 22P:
Formula One race cars have 66-cm-diameter tires. If a Formula One averages a speed of 300 km/h...Problem 23P:
A marble rolls down an incline at 30 from rest. (a) What is its acceleration? (b) How far does it go...Problem 24P:
Repeat the preceding problem replacing the marble with a solid cylinder. Explain the new result.Problem 25P:
A rigid body with a cylindrical cross-section is released from the top of a 30 incline. It rolls...Problem 26P:
A yo-yo can be thought of a solid cylinder of mass m and radius r that has a light string wrapped...Problem 27P:
A solid cylinder of radius 10.0 cm rolls down an incline with slipping. The angle of the incline is...Problem 28P:
A bowling ball rolls up a ramp 0.5 m high without slipping to storage. It has an initial velocity of...Problem 29P:
A 40.0-kg solid cylinder is rolling across a horizontal surface at a speed of 6.0 m/s. How much work...Problem 30P:
A 40.0-kg solid sphere is rolling across a horizontal surface with a speed of 6.0 m/s. How much work...Problem 31P:
A solid cylinder rolls up an incline at an angle of 20 . If it starts at the bottom with a speed of...Problem 32P:
A solid cylindrical wheel of mass M and radius R is pulled by a force applied to the center of the...Problem 33P:
A hollow cylinder that is rolling without slipping is given a velocity of 5.0 m/s and rolls up an...Problem 34P:
A 0.2-kg particle is travelling along the line y=2.0m with a velocity 5.0 m/s. What is the angular...Problem 35P:
A bird flies overhead from where you stand at an altitude of 300.0 m and at a speed horizontal to...Problem 36P:
A Formula One race car with mass 750.0 kg is speeding through a course in Monaco and enters a...Problem 37P:
A particle of mass 5.0 kg has position vector at a particular instant of time when its velocity is...Problem 38P:
Use the right-hand rule to determine the directions of the angular momenta about the origin of the...Problem 39P:
Suppose the particles in the preceding problem have masses m1=0.10kg , m2=0.20kg , m3=0.30kg ,...Problem 40P:
Two particles of equal mass travel with the same speed in opposite directions along parallel lines...Problem 41P:
An airplane of mass 4.0104kg flies horizontally at an altitude of 10 km with a constant speed of 250...Problem 42P:
At a particular instant, a 1.0-kg particle’s position is , its velocity is , and the force on it is...Problem 44P:
(a) Calculate the angular momentum of Earth in its orbit around the Sun. (b) Compare this angular...Problem 45P:
A boulder of mass 20 kg and radius 20 cm rolls down a hill 15 m high from rest. What is its angular...Problem 46P:
A satellite is spinning at 6.0 rev/s. The satellite consists of a main body in the shape of a sphere...Problem 47P:
A propeller consists of two blades each 3.0 m in length and mass 120 kg each. The propeller can be...Problem 48P:
A pulsar is a rapidly rotating neutron star. The Crab nebula pulsar in the constellation Taurus has...Problem 49P:
The blades of a wind turbine are 30 m in length and rotate at a maximum rotation rate of 20 rev/min....Problem 50P:
A roller coaster has mass 3000.0 kg and needs to make it safely through a vertical circular loop of...Problem 51P:
A mountain biker takes a jump in a race and goes airborne. The mountain bike is travelling at 10.0...Problem 52P:
Conservation of Angular Momentum 52.A disk of mass 2.0 kg and radius 60 cm with a small mass of 0.05...Problem 53P:
The Sun’s mass is 2.01030kg , its radius is 7.0105km , and it has a rotational period of...Problem 54P:
A cylinder with rotational inertia I1=2.0kgm2 rotates clockwise about a vertical axis through its...Problem 55P:
A diver off the high board imparts an initial rotation with his body fully extended before going...Problem 56P:
An Earth satellite has its apogee at 2500 km above the surface of Earth and perigee at 500 km above...Problem 57P:
A Molniya orbit is a highly eccentric orbit of a communication satellite so as to provide continuous...Problem 58P:
Shown below is a small particle of mass 20 g that is moving at a speed of 10.0 m/s when it collides...Problem 59P:
A bug of mass 0.020 kg is at rest on the edge of a solid cylindrical disk (M=0.10kg,R=0.10m)...Problem 60P:
A uniform rod of mass 200 g and length 100 cm is free to rotate in a horizontal plane around a fixed...Problem 61P:
A merry-go-round has a radius of 2.0 m and a moment of inertia 300kgm2 . A boy of mass 50 kg runs...Problem 62P:
A playground merry-go-round has a mass of 120 kg and a radius of 1.80 m and it is rotating with an...Problem 63P:
Three children are riding on the edge of a merry-go-round that is 100 kg, has a 1.60-m radius, and...Problem 64P:
(a) Calculate the angular momentum of an ice skater spinning at 6.00 rev/s given his moment of...Problem 65P:
Twin skaters approach one another as shown below and lock hands. (a) Calculate their final angular...Problem 66P:
A baseball catcher extends his arm straight up to catch a fast ball with a speed of 40 m/s. The...Problem 67P:
In 2015, in Warsaw, Poland, Olivia Oliver of Nova Scotia broke the world record for being the...Problem 68P:
A satellite in a geosynchronous circular orbit is 42,164.0 km from the center of Earth. A small...Problem 69P:
A gymnast does cartwheels along the floor and then launches herself into the air and executes...Problem 70P:
The centrifuge at NASA Ames Research Center has a radius of 8.8 m and can produce farces on its...Problem 71P:
A ride at a carnival has four spokes to which pods are attached that can hold two people. The spokes...Problem 72P:
An ice skater is preparing for a jump with turns and has his arms extended. His moment of inertia is...Problem 73P:
A space station consists of a giant rotating hollow cylinder of mass 106kg including people on the...Problem 74P:
Neptune has a mass of 1.01026kg and is 4.5109km from the Sun with an orbital period of 165 years....Problem 75P:
A gyroscope has a 0.5-kg disk that spins at 40 rev/s. The center of mass of the disk is 10 cm from a...Problem 76P:
The precession angular velocity of a gyroscope is 1.0 rad/s. If the mass of the rotating disk is 0.4...Problem 77P:
The axis of Earth makes a 23.5 angle with a direction perpendicular to the plane of Earth’s orbit....Problem 78AP:
A marble is rolling across the floor at a speed of 7.0 m/s when it starts up a plane inclined at 30...Problem 79AP:
Repeat the preceding problem replacing the marble with a hollow sphere. Explain the new results.Problem 80AP:
The mass of a hoop of radius 1.0 m is 6.0 kg. It rolls across a horizontal surface with a speed of...Problem 81AP:
Repeat the preceding problem for a hollow sphere of the same radius and mass and initial speed....Problem 82AP:
A particle has mass 0.5 kg and is traveling along the line x=5.0m at 2.0 m/s In the positive...Problem 83AP:
A 4.0-kg particle moves in a circle of radius 2.0 m. The angular momentum of the particle varies in...Problem 84AP:
A proton is accelerated in a cyclotron to 5.0106m/s in 0.01 s. The proton follows a circular path....Problem 85AP:
(a) What is the angular momentum of the Moon in its orbit around Earth? (b) How does this angular...Problem 86AP:
A DVD is rotating at 500 rpm. What is the angular momentum of the DVD if has a radius of 6.0 cm and...Problem 87AP:
A potter’s disk spins from rest up to 10 rev/s in 15 s. The disk has a mass 3.0 kg and radius 30.0...Problem 88AP:
Suppose you start an antique car by exerting a force of 300 N on its crank for 0.250 s. What is the...Problem 89AP:
A solid cylinder of mass 2.0 kg and radius 20 cm is rotating counterclockwise around a vertical axis...Problem 90AP:
A boy stands at the center of a platform that is rotating without friction at 1.0 rev/s. The boy...Problem 91AP:
Eight children each of mass 40 kg, climb on a small merry-go-round. They position themselves evenly...Problem 92AP:
A thin meter stick of mass 150 g rotates around an axis perpendicular to the stick’s long axis at an...Problem 93AP:
A satellite in the shape of a sphere of mass 20,000 kg and radius 5.0 m is spinning about an axis...Problem 94AP:
A top has moment of inertia 3.2104kgm2 and radius 4.0 cm from the center of mass to the pivot point....Problem 95CP:
The truck shown below is initially at rest with solid cylindrical roll of paper sitting on its bed....Problem 96CP:
A bowling ball of radius 8.5 cm is tossed onto a bowling lane with speed 9.0 m/s. The direction of...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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