Pearson eText -- Physics for Scientists and Engineers with Modern Physics -- Instant Access (Pearson+)
5th Edition
ISBN: 9780137488179
Author: Douglas Giancoli
Publisher: PEARSON+
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 11, Problem 36P
(I) Calculate the
FIGURE 11–33
Problem 34.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
6. A uniform circular disc of mass m and radius 2a . centre O, is smoothly pivoted at a point A,
where OA=a.
(i)
Find the moment of inertia of the disc about an avis through A perpendicular
to the plane of the disc.
The disc is free to rotate in a vertical plane about the axis through A. Given that
the disc is held with O directly above A and then slightly displaced so that it swings
in a vertical plane,
(ii)
show that in the ensuing motion,
de
3a
dt
= 29(1 – cos0),
%3D
where o is the angle AO makes with the upward vertical.
(d) What is the power being exerted on the particle at the point (t > 0) when it again passes
through z = 0?
(I) A laser beam is directed at the Moon, 380,000 km from
Earth. The beam diverges at an angle 0 (Fig. 8–40) of
1.4 x 10-5 rad. What diameter spot will
it make on the Moon?
Moon
Earth
Laser beam
FIĞURE 8–40 Problem 3.
Chapter 11 Solutions
Pearson eText -- Physics for Scientists and Engineers with Modern Physics -- Instant Access (Pearson+)
Ch. 11.1 - Prob. 1AECh. 11.1 - Suppose you are standing on the edge of a large...Ch. 11.1 - CONCEPTUAL EXAMPLE 115 Spinning bicycle wheel....Ch. 11.1 - For the vectors A and B in the plane of the page...Ch. 11.2 - Prob. 1EECh. 11.2 - Prob. 1FECh. 11 - Can the diver of Fig. 112 do a somersault without...Ch. 11 - When a motorcyclist leaves the ground on a jump...Ch. 11 - Suppose you are sitting on a rotating stool...Ch. 11 - Prob. 4Q
Ch. 11 - A shortstop may leap into the air to catch a ball...Ch. 11 - If all the components of the vectors V1 and V2...Ch. 11 - A force F=Fj is applied to an object at a position...Ch. 11 - A particle moves with constant speed along a...Ch. 11 - If the net force on a system is zero, is the net...Ch. 11 - Explain how a child pumps on a swing to make it go...Ch. 11 - Describe the torque needed if the person in Fig....Ch. 11 - An astronaut floats freely in a weightless...Ch. 11 - On the basis of the law of conservation of angular...Ch. 11 - A wheel is rotating freely about a vertical axis...Ch. 11 - Consider the following vector quantities:...Ch. 11 - How does a car make a right turn? Where does the...Ch. 11 - In a rotating frame of reference. Newtons first...Ch. 11 - Why is it that at most locations on the Earth, a...Ch. 11 - In the battle of the Falkland Islands in 1914, the...Ch. 11 - Prob. 1MCQCh. 11 - Prob. 4MCQCh. 11 - Prob. 5MCQCh. 11 - Prob. 6MCQCh. 11 - Prob. 7MCQCh. 11 - Prob. 8MCQCh. 11 - Prob. 9MCQCh. 11 - Prob. 10MCQCh. 11 - Prob. 11MCQCh. 11 - Prob. 1PCh. 11 - Prob. 2PCh. 11 - (II) A nonrotating cylindrical disk of moment of...Ch. 11 - (II) A diver (such as the one shown in Fig. 112)...Ch. 11 - Prob. 5PCh. 11 - Prob. 6PCh. 11 - Prob. 7PCh. 11 - Prob. 8PCh. 11 - Prob. 9PCh. 11 - (II) A person of mass 75 kg stands at the center...Ch. 11 - (II) A person stands on a platform, initially at...Ch. 11 - Prob. 12PCh. 11 - Prob. 13PCh. 11 - (II) A woman of mass m stands at the edge of a...Ch. 11 - Prob. 15PCh. 11 - Prob. 16PCh. 11 - (II) A uniform horizontal rod of mass M and length...Ch. 11 - (II) Suppose our Sun eventually collapses into a...Ch. 11 - (III) Hurricanes can involve winds in excess of...Ch. 11 - Prob. 21PCh. 11 - (I) If vector A points along the negative x axis...Ch. 11 - (I) Show that (a) i i = j j = k k = 0. (b) i j...Ch. 11 - (I) The directions of vectors A and B are given...Ch. 11 - (II) What is the angle between two vectorsA and...Ch. 11 - Prob. 26PCh. 11 - (II) Consider a particle of a rigid object...Ch. 11 - Prob. 29PCh. 11 - (II) An engineer estimates that under the most...Ch. 11 - Prob. 31PCh. 11 - Prob. 32PCh. 11 - Prob. 33PCh. 11 - (I) What are the x, y, and z components of the...Ch. 11 - (I) Show that the kinetic energy K of a particle...Ch. 11 - (I) Calculate the angular momentum of a particle...Ch. 11 - (II) Two identical particles have equal but...Ch. 11 - Prob. 38PCh. 11 - Prob. 39PCh. 11 - Prob. 40PCh. 11 - (II) Four identical particles of mass m are...Ch. 11 - (II) Two lightweight rods 24 cm in length are...Ch. 11 - (II) Figure 1135 shows two masses connected by a...Ch. 11 - (III) Show that the total angular momentum L=ripi...Ch. 11 - Prob. 45PCh. 11 - Prob. 46PCh. 11 - (II) A thin rod of mass M and length is suspended...Ch. 11 - Prob. 48PCh. 11 - Prob. 49PCh. 11 - Prob. 50PCh. 11 - Prob. 51PCh. 11 - (III) A thin rod of mass M and length rests on a...Ch. 11 - (III) On a level billiards table a cue ball,...Ch. 11 - Prob. 54PCh. 11 - (II) A toy gyroscope consists of a 170-g disk with...Ch. 11 - Prob. 56PCh. 11 - Prob. 57PCh. 11 - Prob. 58PCh. 11 - Prob. 60PCh. 11 - Prob. 61PCh. 11 - (II) Suppose the man at B in Fig. 1126 throws the...Ch. 11 - (II) For what directions of velocity would the...Ch. 11 - (III) We can alter Eqs. 1114 and 1115 for use on...Ch. 11 - (III) An ant crawls with constant speed outward...Ch. 11 - A thin string is wrapped around a cylindrical hoop...Ch. 11 - Prob. 67GPCh. 11 - Prob. 68GPCh. 11 - Why might tall narrow SUVs and buses be prone to...Ch. 11 - A projectile with mass m is launched from the...Ch. 11 - Prob. 71GPCh. 11 - Prob. 72GPCh. 11 - Prob. 73GPCh. 11 - Prob. 74GPCh. 11 - Prob. 75GPCh. 11 - Prob. 76GPCh. 11 - Prob. 77GPCh. 11 - Prob. 78GPCh. 11 - A particle of mass m uniformly accelerates as...Ch. 11 - Prob. 80GPCh. 11 - Most of our Solar Systems mass is contained in the...Ch. 11 - Competitive ice skaters commonly perform single,...Ch. 11 - Prob. 84GPCh. 11 - A baseball bat has a sweet spot where a ball can...Ch. 11 - Prob. 86GP
Additional Science Textbook Solutions
Find more solutions based on key concepts
23. How many significant figures are there in the following values?
a. 0.05 × 10-4 b. 0.00340
c. 7.2 × 104 ...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th 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)
Generalize from your results to answer the following question: Under what condition will the momentum of a syst...
Tutorials in Introductory Physics
5.37 Two crates connected by a rope lie on a horizontal surface (Fig. E5.37). Crate A has mass mA, and crate B ...
University Physics (14th Edition)
(a) Find x L limit of the potential of a finite uniformly charged rod and show that it coincides with that of a...
University Physics Volume 2
The pV-diagram of the Carnot cycle.
Sears And Zemansky's University Physics With Modern Physics
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
- (Please explain)In a collision of disks, where the system is not isolated because of the existence of friction. How is it possible that conservation of angular momentum is still valid to a relatively good accuracy?arrow_forward(III) A skier of mass m starts from rest at the top of a solid sphere of radius r and slides down its frictionless surface. (a) At what angle 0 (Fig. 8–36) will the skier leave the sphere? (b) If friction were present, would the skier fly off at a greater or lesser angle? FIGURE 8-36 Problem 28.arrow_forwardHE Problem 9: Consider the sign shown in the figure, which has a mass of m= 8.2 kg. sin() cos() cotan() asin() atan() acotan() cosh() tan() IT ( acos( E sinh( tanh() cotanh() Degrees O Radians Submit Hint 7 8 9t 45 6 123 0 * - VONOMICE Part (b) What force, in newtons, is exerted by each side on the hinge? rt (a) What minimum coefficient of friction is needed between the legs and the ground to keep the sign in the position shown if the chain breaks? F Hinge TENI CHAN Chain- co ca 0.50m Uniform board (co at center) 1.10 m 1.30marrow_forward
- For F = 51 lb, compute the combined moment of the two forces about (a) point O, (b) point C, (c) point D. The moments are positive if counterclockwise, negative if clockwise. y, ft 25 A (-9,17) D (20,0) - x, ft B (20\,-6) C (-11,-12) 251 F Answer: (a) Mo = i Ib-ft (b) Mc= i Ib-ft (c) Mp = i Ib-ftarrow_forwardA small mass m attached to the end of a string revolves in a circle on a frictionless tabletop. The other end of the string passes through a hole in the table (Fig. 8–62). Initially, the mass revolves with a speed v = 2.4 m/s in a circle of radius r, = 0.80 m. The string is then pulled slowly through the hole so that the radius is reduced to r, = 0.48 m. What is the speed, v,, of the mass now? FIGURE 8–62 Problem 88.arrow_forward14–83. A rocket of mass m is fired vertically from the surface of the earth, i.e., atr = r. Assuming that no mass is lost as it travels upward, determine the work it must do against gravity to reach a distance n. The force of gravity is F = GM,m/² (Eq. 13–1), where M is the mass of the earth and r the distance between the rocket and the center of the earth.arrow_forward
- A star of radius R = 2.3 * 108m rotates with an angular speed v = 2.4 * 10-6rad>s. Ifthis star collapses to a radius of 20.0 km, find its final angular speed. (Treat the star as if itwere a uniform sphere, and assume that no mass is lost as the star collapses.)arrow_forward12–125. The car travels around the circular track having a radius of r = 300 m such that when it is at point A it has a velocity of 5 m/s, which is increasing at the rate of i = (0.061) m/s², where t is in seconds. Determine the magnitudes of its velocity and acceleration when it has traveled one-third the way around the track. 12–126. The car travels around the portion of a circular track having a radius of r= 500 ft such that when it is at point A it has a velocity of 2 ft/s, which is increasing at the rate of i = (0.0021) ft/s², where t is in seconds. Determine the magnitudes of its velocity and acceleration when it has traveled three-fourths the way around the track.arrow_forward(b) 0.8 m. If the edge length is reduced to 0.2 m, determine the change in gravitational potential energy of the four-particle system. Four particles, each of mass 1.2 kg, are at the corners of a square of edge lengtharrow_forward
- wit) = 5(-1) -45-102 (rads) the olject withn this speed is aso 2kg, a) what is velecity of the ob ject with respect to points (3,2, -1) 7 x,y,t) b) what is centrifugal and cori olis force 9arrow_forward(b) How does divergence of a vector "V" remain invarlant under the rotation of 5 system of co-ordinates, explain?arrow_forwardAs shown below, a bullet of mass m and speed v is fired at an initially stationary sphere. The bullet goes through the sphere, and exits with a speed of. The sphere is attached to a rigid pole of 6 length L and negligible mass. What is the minimum value of v such that the sphere will barely swing through a complete vertical circle? (Use the following as necessary: m, L, g, and M for the mass of the sphere.) 12M√gl 5m v/6 Ⓡ Use conservation of energy to determine the speed of the sphere immediately after collision. Assume that at the top of the swing the sphere is momentarily at rest, so its kinetic energy is zero. Then apply conservation of momentum to find the initial minimum speed of the bullet.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 UniversityClassical Dynamics of Particles and SystemsPhysicsISBN:9780534408961Author:Stephen T. Thornton, Jerry B. MarionPublisher:Cengage LearningModern PhysicsPhysicsISBN:9781111794378Author:Raymond A. Serway, Clement J. Moses, Curt A. MoyerPublisher:Cengage Learning
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
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
Modern Physics
Physics
ISBN:9781111794378
Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Moment of Inertia; Author: Physics with Professor Matt Anderson;https://www.youtube.com/watch?v=ZrGhUTeIlWs;License: Standard Youtube License