An Introduction to Physical Science
14th Edition
ISBN: 9781305079137
Author: James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 4, Problem 10SA
- (a) A car traveling at a constant speed on a level road rolls up an incline until it stops. Assuming no frictional losses, comment on how far up the hill the car will roll.
- (b) Suppose the car rolls back down the hill. Again, assuming no frictional losses, comment on the speed of the car at the bottom of the hill.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
As a solid disk roll over the top of a hill on a track, its speed is 80 cm/s. If friction losses are negligible, how fast is the disk moving when it is 18 cm below the top?
Suppose a 200-kg motorcycle has two wheels as shown and is heading toward a hill at a speed of 30.0 m/s.
(a) How high can it coast up the hill, if you neglect friction?
(b) How much energy is lost to friction if the motorcycle only gains an altitude of 35.0 m before coming to rest?
A cyclist intends on cycle up a 7.8◦, vertical height is 150 m. Assume the mass of the cycle and cyclist is 75 kgs. a) calculate work done against gravity b) if each complete revolution of the pedal moves the bike 5.1 m along its path, calculate average force exerted on the pedal tangent to circular path. Neglect work done by friction. The pedal turn in circle of diameter of 36 cm.
Chapter 4 Solutions
An Introduction to Physical Science
Ch. 4.1 - Is work a vector quantity? In other words, does it...Ch. 4.1 - What are the units of work?Ch. 4.2 - By what process is energy transferred from one...Ch. 4.2 - To find the difference in gravitational potential...Ch. 4.2 - Prob. 4.1CECh. 4.3 - Overall, can energy be created or destroyed?Ch. 4.3 - What is the difference between total energy and...Ch. 4.3 - Find the kinetic energy of the stone in the...Ch. 4.4 - What is the difference in the operations of a 2-hp...Ch. 4.4 - Electric bills from power companies charge for so...
Ch. 4.4 - A student expends 7.5 W of power in lifting a...Ch. 4.4 - Prob. 4.4CECh. 4.5 - Prob. 1PQCh. 4.5 - Prob. 2PQCh. 4.6 - What is the difference between alternative and...Ch. 4.6 - Prob. 2PQCh. 4 - KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4....Ch. 4 - Prob. BMCh. 4 - Prob. CMCh. 4 - Prob. DMCh. 4 - Prob. EMCh. 4 - Prob. FMCh. 4 - Prob. GMCh. 4 - Prob. HMCh. 4 - Prob. IMCh. 4 - Prob. JMCh. 4 - Prob. KMCh. 4 - Prob. LMCh. 4 - Prob. MMCh. 4 - KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4....Ch. 4 - KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4....Ch. 4 - Work is done on an object when it is ___. (4.1)...Ch. 4 - Which of the following is a unit of work? (4.1)...Ch. 4 - Prob. 3MCCh. 4 - Which of the following objects has the greatest...Ch. 4 - A pitcher throws a fastball. When the catcher...Ch. 4 - The reference point for gravitational potential...Ch. 4 - When the height of an object is changed, the...Ch. 4 - Mechanical energy is ___. (4.2) (a) the sum of...Ch. 4 - On which of the following does the speed of a...Ch. 4 - Power is expressed by which of the following...Ch. 4 - If motor A has twice as much horsepower as motor...Ch. 4 - Prob. 12MCCh. 4 - Which one of the following would not be classified...Ch. 4 - Prob. 14MCCh. 4 - Work is equal to the force times the ___ distance...Ch. 4 - Prob. 2FIBCh. 4 - The unit N m is given the special name of ___ ....Ch. 4 - Prob. 4FIBCh. 4 - Prob. 5FIBCh. 4 - The stopping distance of an automobile on a level...Ch. 4 - Kinetic energy is commonly referred to as the...Ch. 4 - Prob. 8FIBCh. 4 - Prob. 9FIBCh. 4 - Prob. 10FIBCh. 4 - Prob. 11FIBCh. 4 - Prob. 12FIBCh. 4 - Renewable energy sources cannot be ___ . (4.6)Ch. 4 - Gasohol is gasoline mixed with ___ . (4.6)Ch. 4 - Prob. 1SACh. 4 - Do all forces do work? Explain.Ch. 4 - What does work on a shuffleboard puck as it slides...Ch. 4 - A weight lifter holds 900 N (about 200 lb) over...Ch. 4 - For the situation in Fig. 4.4a, if the applied...Ch. 4 - Car B is traveling twice as fast as car A, but car...Ch. 4 - Prob. 7SACh. 4 - If the speed of a moving object is doubled, how...Ch. 4 - A book sits on a library shelf 1.5 m above the...Ch. 4 - (a) A car traveling at a constant speed on a level...Ch. 4 - An object is said to have a negative potential...Ch. 4 - Prob. 12SACh. 4 - A ball is dropped from a height at which it has 50...Ch. 4 - Prob. 14SACh. 4 - A simple pendulum as shown in Fig. 4.24...Ch. 4 - Two students throw identical snowballs from the...Ch. 4 - Prob. 17SACh. 4 - When you throw an object into the air, is its...Ch. 4 - Prob. 19SACh. 4 - Persons A and B do the same job, but person B...Ch. 4 - What does a greater power rating mean in terms of...Ch. 4 - What do we pay the electric company for, power or...Ch. 4 - Prob. 23SACh. 4 - Prob. 24SACh. 4 - Prob. 25SACh. 4 - On average, how much energy do you radiate each...Ch. 4 - Prob. 27SACh. 4 - Prob. 28SACh. 4 - Prob. 29SACh. 4 - Prob. 30SACh. 4 - Prob. 1VCCh. 4 - A fellow student tells you that she has both zero...Ch. 4 - Two identical stones are thrown from the top of a...Ch. 4 - A person on a trampoline can go higher with each...Ch. 4 - With which of our five senses can we detect...Ch. 4 - What are three common ways to save electricity to...Ch. 4 - A worker pushes horizontally on a large crate with...Ch. 4 - While rearranging a dorm room, a student does 400...Ch. 4 - A 5.0-kilo bag of sugar is on a counter. How much...Ch. 4 - How much work is required to lift a 6.0-kg...Ch. 4 - A man pushes a lawn mower on a level lawn with a...Ch. 4 - If the man in Exercise 5 pushes the mower with 40%...Ch. 4 - How much work does gravity do on a 0.150-kg ball...Ch. 4 - A student throws the same ball straight upward to...Ch. 4 - (a) What is the kinetic energy in joules of a...Ch. 4 - A 60-kg student traveling in a car with a constant...Ch. 4 - What is the kinetic energy of a 20-kg dog that is...Ch. 4 - Which has more kinetic energy, a 0.0020-kg bullet...Ch. 4 - Prob. 13ECh. 4 - How much farther would the force in Exercise 13...Ch. 4 - What is the potential energy of a 3.00-kg object...Ch. 4 - How much work is required to lift a 3.00-kg object...Ch. 4 - An object is dropped from a height of 12 m. At...Ch. 4 - A 1.0-kg rock is dropped from a height of 6.0 m....Ch. 4 - A sled and rider with a combined weight of 60 kg...Ch. 4 - A 30.0-kg child starting from rest slides down a...Ch. 4 - If the man in Exercise 5 pushes the lawn mower 6.0...Ch. 4 - If the man in Exercise 5 expended 60 W of power in...Ch. 4 - A student who weighs 556 N climbs a stairway...Ch. 4 - A 125-lb student races up stairs with a vertical...Ch. 4 - On a particular day, the following appliances are...Ch. 4 - Prob. 26E
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- A block is connected to a spring that is suspended from the ceiling. Assuming air resistance is ignored, describe the energy transformations that occur within die system consisting of the block, the Earth, and the spring when the block is set into vertical motion.arrow_forwardIf the dot product of two vectors vanishes, what can you say about their directions?arrow_forwardWhen a body slides down an inclined plane, does the work of friction depend on the body’s initial speed? Answer the same question for a body sliding down a curved surface.arrow_forward
- (a) Which component of the horizontal axis wind turbine can be considered as the brain of the system? Write the important functions of this component. Explain how it coordinates with the anemometer, wind vane and yaw drive for the proper working of turbine. I (b) Explain, why wind energy is considered as highly desirable and economical to the rural areas which are far from existing gridsarrow_forwardA 75kg bicyclist (including the bicycle), initially at rest pedals up a hill. She reaches a speed of 4m/s despite experiencing a 15N drag during her ride. The distance and height of the hill are shown. Neglect any friction impeding her motion and the rotational energy of the wheels. List the energy types at the initial and final time and whether work and loss (due to non-conservative forces) occur as well as the corresponding amounts of energy. initial: work? loss? final: none work loss GPE & KE 1111 0 11325 What is the average thrust she must generate? 153 unitarrow_forwardConsider a hoop of mass 3.1 kg and radius 0.52 m that rolls without slipping down an incline. The hoop starts at rest from a height h = 2.7 m above the bottom of the incline and then rolls to the bottom.arrow_forward
- The figure shows a thin rod, of length L - 1.80 m and negligible mass, that can pivot about one end to rotate in a vertical circle. A heavy ball of mass m - 9.50 kg is attached to the other end. The rod is pulled aside to angle 80-14.0° and released with initial velocity - O. As the ball descends to its lowest point, (a) how much work does the gravitational force do on it and (b) what is the change in the gravitational potential energy of the ball-Earth system? (c) If the gravitational potential energy is taken to be zero at the lowest point, what is its value just as the ball is released? 0 L bre Marrow_forwardA small rock with mass 0.20 kg is released from rest at point A, which is at the top edge of a large, hemispherical bowl with radius R = 0.50 m (Fig.). Assume that the size of the rock is small compared to R, so that the rock can be treated as a particle, and assume that the rock slides rather than rolls. The work done by friction on the rock when it moves from point A to point B at the bottom of the bowl has magnitude 0.22 J. (a) Between points A and B, how much work is done on the rock by (i) the normal force and (ii) gravity? (b) What is the speed of the rock as it reaches point B? (c) Of the three forces acting on the rock as it slides down the bowl, which (if any) are constant and which are not? Explain. (d) Just as the rock reaches point B, what is the normal force on it due to the bottom of the bowl?arrow_forward(c) A large roller in the form of a uniform cylinder is pulled by a tractor to compact earth; it has a 180-cm diameter and weighs 10 kN. If frictional losses can be ignored, what average horsepower must the tractor provide to accelerate it from rest to a speed of 14.4 kph in a horizontal distance of 3 m?arrow_forward
- A block of certain weight 89 kN starts at point A of a frictionless arc slide of radiusequal to 2m with an initial velocity of 4m/s. Find the velocity of this block when it hits the ground.Solve by Work Energy Methodarrow_forwardWhen a particle rotates in a circle, a central force acts on it in the direction of the center of rotation. Why doesn't this force do any work on the particle? argue the answerarrow_forward#6arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningGlencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-HillUniversity Physics Volume 1PhysicsISBN:9781938168277Author:William Moebs, Samuel J. Ling, Jeff SannyPublisher:OpenStax - Rice University
- Classical Dynamics of Particles and SystemsPhysicsISBN:9780534408961Author:Stephen T. Thornton, Jerry B. MarionPublisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
University Physics Volume 1
Physics
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:OpenStax - Rice University
Classical Dynamics of Particles and Systems
Physics
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Cengage Learning
Mechanical work done (GCSE Physics); Author: Dr de Bruin's Classroom;https://www.youtube.com/watch?v=OapgRhYDMvw;License: Standard YouTube License, CC-BY