University Physics Volume 1
18th Edition
ISBN: 9781938168277
Author: William Moebs, Samuel J. Ling, Jeff Sanny
Publisher: OpenStax - Rice University
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 10, Problem 10.3CYU
Check Your Understanding A boy jumps on a merry-go-round with a radius of 5 m that is at rest. It starts accelerating at a constant rate up to an
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A good baseball pitcher can throw a baseball toward homeplate at 85 mi/h with a spin of 1800 rev/min. How many revolutionsdoes the baseball make on its way to home plate? For simplicity,assume that the 60 ft path is a straight line.
A centrifuge in a medical laboratory rotates at an angular speed of 3,550 rev/min, clockwise (when viewed from above). When switched off, it rotates through 54.0
revolutions before coming to rest. Assuming it is constant, what is the magnitude of angular acceleration (in rad/s)?
rad/s?
What is the direction of the angular acceleration (again, when viewed from above)?
O clockwise
O counterclockwise
O The magnitude is zero.
Chapter 10 Solutions
University Physics Volume 1
Ch. 10 - Check Your Understanding The fan blades on a...Ch. 10 - Check Your Understanding A centrifuge used in DNA...Ch. 10 - Check Your Understanding A boy jumps on a...Ch. 10 - Check Your Understanding A nuclear submarine...Ch. 10 - Check Your Understanding What is the moment of...Ch. 10 - Check Your Understanding A large ocean-going ship...Ch. 10 - Check Your Understanding The fan blades on a jet...Ch. 10 - Check Your Understanding A constant torque of...Ch. 10 - A clock is mounted on the wall. As you look at it,...Ch. 10 - What is the value of the angular acceleration of...
Ch. 10 - A baseball bat is swung. Do all points on the bat...Ch. 10 - The blades of a blender on a counter are rotating...Ch. 10 - If a rigid body has a constant angular...Ch. 10 - If a rigid body has a constant angular...Ch. 10 - If the angular acceleration of a rigid body is...Ch. 10 - A massless tether with a masses tied to both ends...Ch. 10 - Explain why centripetal acceleration changes the...Ch. 10 - In circular motion, a tangential acceleration can...Ch. 10 - Suppose a piece of food is on the edge of a...Ch. 10 - What if another planet the same size as Earth were...Ch. 10 - A solid sphere is rotating about an axis through...Ch. 10 - If a child walks toward the center of a...Ch. 10 - A discus thrower rotates with a discus in his hand...Ch. 10 - Does increasing the number of blades on a...Ch. 10 - The moment of inertia of a long rod spun around an...Ch. 10 - Why is the moment of inertia of a hoop that has a...Ch. 10 - What three factors affect the torque created by a...Ch. 10 - Give an example in which a small force exerts a...Ch. 10 - When reducing the mass of a racing bike, the...Ch. 10 - Can a single force produce a zero torque?Ch. 10 - Can a set of forces have a net torque that is zero...Ch. 10 - Can a set of forces have a net force that is zero...Ch. 10 - Prob. 25CQCh. 10 - If you were to stop a spinning wheel with a...Ch. 10 - Prob. 27CQCh. 10 - Calculate the angular velocity of Earth.Ch. 10 - A track star runs a 400-m race on a 400-m circular...Ch. 10 - A wheel rotates at a constant rate of...Ch. 10 - A particle moves 3.0 m along a circle of radius...Ch. 10 - A compact disc rotates at 500 rev/min. If the...Ch. 10 - Unreasonable results. The propeller of an aircraft...Ch. 10 - A gyroscope slows from an initial rate of 32.0...Ch. 10 - On takeoff, the propellers on a UAV (unmanned...Ch. 10 - The angular position of a rod varies as...Ch. 10 - A wheel has a constant angular acceleration of...Ch. 10 - During a 6.0-s time interval, a fly-wheel with a...Ch. 10 - The angular velocity of a rotating rigid body...Ch. 10 - A flywheel slows from 600 to 400 rev/min while...Ch. 10 - A wheel 1.0 m in diameter rotates with an angular...Ch. 10 - A vertical wheel with a diameter of 50 cm starts...Ch. 10 - A circular disk of radius 10 cm has a contant...Ch. 10 - The angular velocity vs. time for a fan on a...Ch. 10 - A rod of length 20 cm has two beads attached to...Ch. 10 - At its peak, a tornado is 60.0 m in diameter and...Ch. 10 - A man stands on a merry-go-round that is rotating...Ch. 10 - An ultracentrifuge accelerates from to 100,000 rpm...Ch. 10 - A wind turbine is rotating conterclockwise at 0.5...Ch. 10 - What is (a) the angular speed and (b) the linear...Ch. 10 - A child with mass 40 kg sits on the edge of a...Ch. 10 - A bicycle wheel with radius 0.3 m rotates from...Ch. 10 - The angular velocity of a flywheel with radius 1.0...Ch. 10 - A system of point particles is shown in the...Ch. 10 - (a) Calculate the rotational kinetic energy of...Ch. 10 - Calculate the rotational kinetic energy of a 12-kg...Ch. 10 - A baseball pitcher throws the ball in a motion...Ch. 10 - A diver goes into a somersault during a dive by...Ch. 10 - An aircraft is coming in for a landing at 300...Ch. 10 - If air resistance is present in the preceding...Ch. 10 - A neutron star of mass 21030kg and radius 10 km...Ch. 10 - An electric sander consisting of a rotating disk...Ch. 10 - A system consists of a disk of mass 2.0 kg and...Ch. 10 - While punting a football, a kicker rotates his leg...Ch. 10 - Using the parallel axis theorem, what is the...Ch. 10 - Find the moment of inertia of the rod in the...Ch. 10 - A uniform rod of mass 1.0 kg and length 2.0 m is...Ch. 10 - A pendulum consists of a rod of mass 2 kg and...Ch. 10 - A solid sphere of radius 10 cm is allowed to...Ch. 10 - Calculate the moment of inertia by direct...Ch. 10 - Two flywheel fo negligible mass and different...Ch. 10 - The cylindrical head bolts on a car are to be...Ch. 10 - (a) When opening a door, you push on it...Ch. 10 - When tightening a bolt, you push perpendicularly...Ch. 10 - What hanging mass must be placed on the cord to...Ch. 10 - A simple pendulum consists of a massless tether 50...Ch. 10 - Calculate the torque about the z-axis that is out...Ch. 10 - A seesaw has length 10.0 m and uniform mass 10.0...Ch. 10 - A pendulum consists ofa rod of mass 1 kg and...Ch. 10 - A torque of 5.00103Nm is required to raise a...Ch. 10 - A horizontal beam of length 3 m and mass 2.0 kg...Ch. 10 - What force must be applied to end of a rod along...Ch. 10 - What is the torque abot the origin of the force if...Ch. 10 - You have a grindstone (a disk) that is 90.0 kg,...Ch. 10 - Suppose you exert a force of 180 N tangential to a...Ch. 10 - A flywheel (l=50kgm2) starting from rest acquires...Ch. 10 - A constant torque is applied to a rigid body whose...Ch. 10 - A torque of 50.0Nm is applied to a grinding wheel...Ch. 10 - A flywheel (I=100.0kgm2) rotating at 500.0 rev/min...Ch. 10 - A uniform cylindrical grinding wheel of mass 50.0...Ch. 10 - Suppose when Earth was created, it was not...Ch. 10 - A pulley of moment of inertia 2.0kgm2 is mounted...Ch. 10 - A block of mass 3 kg slides down an inclined plane...Ch. 10 - The cart shown below moves across the table top as...Ch. 10 - A uniform rod of mass and length is held...Ch. 10 - A thin stick of mass 0.2 kg and length L=0.5m is...Ch. 10 - A wind turbine rotates at 20 rev/min. If its power...Ch. 10 - A clay cylinder of radius 20 cm on a potter’s...Ch. 10 - A uniform cylindrical grindstion has a mass of 10...Ch. 10 - A uniform disk of mass 500 kg and radius 0.25 m is...Ch. 10 - A propeller is accelerated from rest to an angular...Ch. 10 - A sphere of mass 1.0 kg and radius 0.5 m is...Ch. 10 - A uniform rod of length L and mass M is held...Ch. 10 - An athlete in a gym applies a constant force of 50...Ch. 10 - A 2-kg block on a frictionless inclined plane at...Ch. 10 - Small bodies of mass m1 and m2 are attached to...Ch. 10 - A cyclist is riding such that the wheels of the...Ch. 10 - Calculate the angular velocity of the orbital...Ch. 10 - A phonograph turntable rotating at 331/3rev/min...Ch. 10 - With the aid of a string, a gyroscope is...Ch. 10 - Suppose a piece of dust has fallen on a CD. If the...Ch. 10 - A system of point particles is rotating about a...Ch. 10 - Calculate the moment of inertia of a skater given...Ch. 10 - A stick of length 1.0 m and mass 6.0 kg is free to...Ch. 10 - A pendulum consists of a rod of length 2 m and...Ch. 10 - Calculate the torque of the 40-N force around the...Ch. 10 - Two children push on opposite sides of a door...Ch. 10 - Prob. 118APCh. 10 - An automobile engine can produce 200Nm of torque....Ch. 10 - A grindstone with a mass of 50 kg and radius 0.8 m...Ch. 10 - The angular acceleration of a rotating rigid body...Ch. 10 - Earth’s day has increased by 0.002 s in the last...Ch. 10 - A disk of mass m , radius R , and area A has a...Ch. 10 - Zorch, an archenemy of Rotation Man, decides to...Ch. 10 - A cord is wrapped around the rim of a solid...
Additional Science Textbook Solutions
Find more solutions based on key concepts
27. An old-fashioned single-play vinyl record rotates on a turntable at 45 rpm. What are (a) the angular veloci...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
Description of Motion:
Tutorials in Introductory Physics
Which has more resistancea thick wire or a thin wire of the same length? A short wire or a long wire?
Conceptual Integrated Science
Choose the best answer to each of the following. Explain your reasoning. The age of our solar system is about (...
The Cosmic Perspective Fundamentals (2nd Edition)
2. Suppose you increase the amplitude of oscillation of a mass vibrating on a spring. Which of the following st...
College Physics (10th Edition)
3. What is free-fall, and why does it make you weightless? Briefly describe why astronauts are weightless in th...
The Cosmic Perspective (8th Edition)
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 track star runs a 400-m race on a 400-m circular track in 45 s. What is his angular velocity assuming a constant speed?arrow_forwardJupiter rotates about its axis once every 9 hours 55 minutes. a. What is Jupiter's angular speed of rotation? b. What is the effect of this rapid rotation on the shape of theplanet?arrow_forwardOlympic ice skaters are able to spin at about 5 rev/s. (a) What is their angular velocity in radians per second? (b) What is the centripetal acceleration of the skater's nose if it is 0.120 m from the axis of rotation? (c) An exceptional skater named Dick Button was able to spin much faster in the 1950s than anyone since—at about 9 rev/s. What was the centripetal acceleration of the tip of his nose, assuming it is at 0.120 m radius? (d) Comment on the magnitudes of the accelerations found. It is reputed that Button ruptured small blood vessels during his spins.arrow_forward
- An ice skater is preparing for a jump with turns and has his arms extended. His moment of inertia is 1.8kgm2 while his arms are extended, and he is spinning at 0.5 rev/s. If he launches himself into the air at 9.0 m/s at an angle of 45 with respect to the ice, how many revolutions can he execute while airborne if his moment of inertia in the air is 0.5kgm2 ?arrow_forwardSuppose a piece of dust has fallen on a CD. If the spin rate of the CD is 500 rpm, and the piece of dust is 4.3 cm from the center, what is the total distance traveled by the dust in 3 minutes? (Ignore accelerations due to getting the CD rotating.)arrow_forwardExplain why centripetal acceleration changes the direction of velocity in circular motion but not its magnitude.arrow_forward
- Check Your Understanding A centrifuge used in DNA extraction spins at a maximum rate of 7000 rpm, producing a “g-force on the sample that is 6000 times the force of gravity. If the centrifuge takes 10 seconds to come to rest from the maximum spin rate: (a) What Is the angular acceleration of the centrifuge? (b) What is the angular displacement of the centrifuge during this time?arrow_forwardIn circular motion, a tangential acceleration can change the magnitude of the velocity but not its direction. Explain your answer.arrow_forwardA DVD is rotating at 500 rpm. What is the angular momentum of the DVD if has a radius of 6.0 cm and mass 20.0 g?arrow_forward
- A gymnast does cartwheels along the floor and then launches herself into the air and executes several flips in a tuck while she is airborne. If her moment of inertia when executing the cartwheels is 13.5kgm2 and her spin rate is 0.5 rev/s, how many revolutions does she do in the air if her moment of inertia in the tuck is 3.4kgm2 and she has 2.0 s to do the flips in the air?arrow_forwardWhat is the average speed in mi/h of a person at the equator as a result of the Earths rotation? (Take the radius of the Earth to be RE = 4000 mi.)arrow_forwardIf a rigid body has a constant angular acceleration, what is the functional form of the angular velocity In terms of the time variable?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- University Physics Volume 1PhysicsISBN:9781938168277Author:William Moebs, Samuel J. Ling, Jeff SannyPublisher:OpenStax - Rice UniversityGlencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-HillCollege PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax College
- An Introduction to Physical SciencePhysicsISBN:9781305079137Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar TorresPublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningPhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
University Physics Volume 1
Physics
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:OpenStax - Rice University
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
An Introduction to Physical Science
Physics
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
What Is Circular Motion? | Physics in Motion; Author: GPB Education;https://www.youtube.com/watch?v=1cL6pHmbQ2c;License: Standard YouTube License, CC-BY