Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 9, Problem 21SP
A 2.00-m-long steel rod, pivoted at one end, swings in a vertical plane such that its lower end sweeps out an arc 10.0 cm long. Determine the angle, in degrees and radians, through which the rod swings.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A bar on a hinge starts from rest and rotates with an angular acceleration α = 11 + 5t, where α is in rad/s2 and t is in seconds. Determine the angle in radians through which the bar turns in the first 3.60 s.
A bar on a hinge starts from rest and rotates with an angular acceleration α=(10+6t) rad/s^2, where t is in seconds. Determine the angle in radians through which the bar turns in the first 4.00s.
The disk starts at ω_0 = 2 rad/s when θ = 0, and is given an angular acceleration alpha = (0.3θ) rad/s^2, where θ is in radians. Determine the normal acceleration of a point A on the rim of the disk when θ = 1 rev. pi=3
Chapter 9 Solutions
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Ch. 9 - 17. A wheel spins around exactly 6 times. How many...Ch. 9 - 18. Given that a disk revolves through 81.681...Ch. 9 - 19. Convert (a) 50.0 rev to radians, (b) 48π rad...Ch. 9 - 20. Express 40.0 deg/s in (a) rev/s, (b) rev/min,...Ch. 9 - 21. A 2.00-m-long steel rod, pivoted at one end,...Ch. 9 - 22. A pendulum swings through an angle of 20.0°,...Ch. 9 - 23. A pebble is stuck in the tread of a tire...Ch. 9 - 24. A sphere rotates about a fixed axis 10.0 times...Ch. 9 - 25. A flywheel turns at 480 rpm. Compute the...Ch. 9 - 26. It is desired that the outer edge of a...
Ch. 9 - 27. Through how many radians does a point fixed on...Ch. 9 - 28. A wheel 25.0 cm in radius turning at 120 rpm...Ch. 9 - 29. The angular speed of a disk decreases...Ch. 9 - 30. A car wheel 30 cm in radius is turning at a...Ch. 9 - 31. A wheel revolving at 6.00 rev/s has an angular...Ch. 9 - 32. A thin string wound on the rim of a wheel 20...Ch. 9 - 9.33 [II] A mass of 1.5 kg out in space moves in a...Ch. 9 - 34. (a) Compute the radial acceleration of a point...Ch. 9 - 35. A mass is whirling in a circle at the end of a...Ch. 9 - 36. A mass is whirling in a circle at the end of a...Ch. 9 - 37. Imagine a weightless 2.00-kg mass far out in...Ch. 9 - 38. The old Bohr model of the hydrogen atom has a...Ch. 9 - 39. With the previous problem in mind, what is the...Ch. 9 - Prob. 40SPCh. 9 - 41. A car moving at 5.0 m/s tries to round a...Ch. 9 - 42. A box rests at a point 2.0 m from the central...Ch. 9 - 43. A stone rests in a pail which is tied to a...Ch. 9 - Prob. 44SPCh. 9 - 45. Refer back to Fig. 9-6. How large must h be...Ch. 9 - 46. If, in Fig. 9-6 and in Problem 9.33, h = 2.5R,...Ch. 9 - 47. A satellite orbits the Earth at a height of...Ch. 9 - 49. The human body can safely tolerate a vertical...Ch. 9 - 50. A 60.0-kg pilot in a glider traveling at 40.0...Ch. 9 - 51. Suppose the Earth is a perfect sphere with R =...Ch. 9 - 9.52 [III] A mass m hangs at the end of a pendulum...
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
- The propeller of an aircraft accelerates from rest with an angular acceleration = 4t + 6, where is in rad/s2 and t isin seconds. What is the angle in radians through which thepropeller rotates from t = 1.00 s to t = 6.00 s?arrow_forwardA wheel 2.00 m in diameter lies in a vertical plane and rotates about its central axis with a constant angular acceleration of 4.00 rad/s2. The wheel starts at rest at t = 0, and the radius vector of a certain point P on the rim makes an angle of 57.3 with the horizontal at this time. At t = 2.00 s, find (a) the angular speed of the wheel and, for point P, (b) the tangential speed, (c) the total acceleration, and (d) the angular position.arrow_forwardA point on a rotating turntable 20.0 cm from the center accelerates from rest to a final speed of 0.700 m/s in 1.75 s. At t = 1.25 s, find the magnitude and direction of (a) the radial acceleration, (b) the tangential acceleration, and (c) the total acceleration of the point.arrow_forward
- An object of 50.5 N is attached to the free end of a light string wrapped around a reel with a radius of 0.250 m and mass of 3.00 kg. The reel is a solid disk, free to rotate in a vertical plane about the horizontal axis passing through its center. The suspended object is released 5.50 m above the floor.(a) Determine the tension in the string, the acceleration of the object, and the speed with which the object hits the floor.arrow_forwardA rigid bearing assembly with a point mass m = 1.15 kg, suspended at the end of a thin rod of length l = 0.750 m, is forced to rotate uniformly with angular velocity ω = 3.80 rad/s about a vertical axis. See the figure below. The angle between the rotation axis and the rod is θ. Neglect the inertia of the bearing and of the rod connecting it to the mass. Neglect friction. Include the effects of the uniform force of gravity. What is the magnitude of the angular momentum of the system (due to the point mass) about the vertical axis of rotation of the bearing?arrow_forwardA force of 30N is applied tangentially to the rim of a solid disk of radius 0.18 m. The disk rotates about an axis through its center and perpendicular to its face with a constant angular acceleration of 120 rad/s2. Determine the mass of the disk.arrow_forward
- t A pendulum consists of a rod of length 2 m and mass 5 kg with a solid sphere of mass 5 kg and radius 0.6 m attached at one end. The axis of rotation is as shown below. What is the angular velocity (in rad/s) of the pendulum at its lowest point if it is released from rest at an angle of 30° from the vertical? (Enter the magnitude.) 3.773889246 Axis 2 m × rad/s Additional Materials Readingarrow_forwardA small object with mass 4.00 kg moves counterclockwise with constant angular speed 1.50 rad/s in a circle of radius 3.00 m centered at the origin. It starts at the point with position vector 3.00î m. It then undergoes an angular displacement of 9.00 rad. (a) What is its new position vector? Use unit-vector notation for all vector answers. (b) In what quadrant is the particle located, and what angle does its position vector make with the positive x axis? (c) What is its velocity? (d) In what direction is it moving? (e) What is its acceleration? (f) Make a sketch of its position, velocity, and acceleration vectors. (g) What total force is exerted on the object?arrow_forwardPART 1: A small ball of mass 0.5 kg is attached to one end of a 1.8-m-long massless rod, and the other end ofthe rod is hung from a pivot. When the resulting pendulum is 40° from the vertical, what is the magnitude of thegravitational torque calculated about the pivot? PART 2: What are the magnitudes of (a) the angular velocity, (b) the radial acceleration, and (c) the tangentialacceleration of a spaceship taking a circular turn of radius 3500 km at a speed of 27 000 km/h? °arrow_forward
- A wheel of diameter 40.0 cm starts from rest and rotates with a constant angular acceleration of 3.00 rad/s2. Compute the radial acceleration of a point on the rim for the instant the wheel completes its second revolution from the relationship (a) arad = v2r and (b) arad = v2/r.arrow_forwardA uniform disk of radius 0.491 m and unknown mass is constrained to rotate about a perpendicular axis through its center. A ring with the same mass as the disk is attached around the disk's rim. A tangential force of 0.229 N applied at the rim causes an angular acceleration of 0.115 rad/s². Find the mass of the disk. mass of disk: 3.08 kgarrow_forwardA thin rod of mass m = 3 kg and length L = 0.5 m is attached at one end to a hinge on a wall. It is supported so that it lies horizontally and is then released and swings down. What is the angular acceleration of the rod when it is first released?arrow_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 LearningPhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Rotational Kinematics Physics Problems, Basic Introduction, Equations & Formulas; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=0El-DqrCTZM;License: Standard YouTube License, CC-BY