COLLEGE PHYSICS
2nd Edition
ISBN: 9781711470832
Author: OpenStax
Publisher: XANEDU
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
Chapter 9, Problem 14PE
To determine
(a)
The tension in the chain.
To determine
(b)
The force exerted by each side on the hinge.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Problem Six. A 70 kg student in the figure balances a 1200 kg elephant
on a hydraulic lift with diameter 2.0 m that is filled with oil which has a
density of 900 kg/m³. How many 80 kg students would have to stand on
the first piston in order to raise the elephant by 2.55 m?
80 kg
1200 kg
17.)
(A) 5
(D) 8
(B) 6
(E) 9
(C) 7
Oil
2.0 m
5
In the accompanying figure, the rails, connecting end pieces, and rod all have a resistance per unit length
of 4.52/cm. The rod moves to the left at v = 5 m/s. If B = 0.3 T everywhere in the region, what is
the current in the circuit (a) when a = 6.5 cm? (b) when a = 4 cm?
Problem Twelve. An object consists of four
particles: m₁ =1.0kg, m₂ = 2.0kg, m3 = 3.0kg,
ma = 4.0kg. They are connected by rigid
massless rods to form a rectangle of edge lengths
2a and 2b, where a 7.0 m and b = 8.0 m. The
system rotates about the x-axis through the center
as shown.
=
Find the (x, y) coordinate of the center of
gravity of the object (in meters). Use the
geometrical center of the object as the
origin.
2a
13
2b
m
M2
Axis of rotation
20.) (A) (-3.2, -1.4) (B) (-3.2, 1.4)
(C) (5.2, -1.4)
(D) (-1.8,-1.4)
(E) (3.2,-5.2)
Find the moment of inertia of the object about the x-axis and y-axis that run through the geometrical
center of the object. Give an answer as (Ix, ly, I) in units of 10² kg-m².
21.) (A) (6.4, 4.9, 11)
(D) (9.8, 11, 12.8)
(B) (4.9, 6.4, 11)
(C) (11, 12.8, 9.8)
(E) (2.5, 10, 11)
anul babogaus al bos ano
002
maldor
If the object is spinning with angular velocity of 30 rpm around the axis of rotation shown in the
diagram, find the rotational kinetic energy. Give…
Chapter 9 Solutions
COLLEGE PHYSICS
Ch. 9 - What can you say about the velocity of a moving...Ch. 9 - Under what conditions can a rotating body be in...Ch. 9 - What three factors affect the torque created by a...Ch. 9 - A wrecking ball is being used to knock down a...Ch. 9 - Mechanics put a length of Pipe over the handle of...Ch. 9 - Prob. 6CQCh. 9 - Explain the need for tall towers on a suspension...Ch. 9 - When visiting some countries, you may see a person...Ch. 9 - Prob. 9CQCh. 9 - Prob. 10CQ
Ch. 9 - Why are the forces exerted on the outside world by...Ch. 9 - Explain why the forces in our joints are several...Ch. 9 - Why are the forces exerted on the outside world by...Ch. 9 - Explain why the forces in our joints are several...Ch. 9 - Certain of dinosaurs were bipedal (walked on two...Ch. 9 - Swimmers and athletes during competition need to...Ch. 9 - If the maximum force the biceps muscle can exert...Ch. 9 - Suppose the biceps muscle was attached through...Ch. 9 - Explain one of the reasons why pregnant women...Ch. 9 - (a) When opening a door, you push on it...Ch. 9 - When tightening a bolt, you push perpendicularly...Ch. 9 - Two children push on opposite sides of a door...Ch. 9 - Use the second condition for equilibrium (net =0 )...Ch. 9 - Repeat the seesaw problem in Example 9.1 with the...Ch. 9 - Prob. 6PECh. 9 - Two children of mass 20.0 kg and 30.0 kg sit...Ch. 9 - Prob. 8PECh. 9 - A person carries a plank of wood 2.00 m long with...Ch. 9 - Prob. 10PECh. 9 - Prob. 11PECh. 9 - Prob. 12PECh. 9 - Prob. 13PECh. 9 - Prob. 14PECh. 9 - Prob. 15PECh. 9 - Prob. 16PECh. 9 - To get up on the roof, a person (mass 70.0 kg)...Ch. 9 - Prob. 18PECh. 9 - Prob. 19PECh. 9 - Suppose you needed to raise a 250-kg mower a...Ch. 9 - Prob. 21PECh. 9 - Prob. 22PECh. 9 - Prob. 23PECh. 9 - Prob. 24PECh. 9 - Prob. 25PECh. 9 - Prob. 26PECh. 9 - Prob. 27PECh. 9 - Prob. 28PECh. 9 - Prob. 29PECh. 9 - Prob. 30PECh. 9 - Prob. 31PECh. 9 - Prob. 32PECh. 9 - Prob. 33PECh. 9 - Prob. 34PECh. 9 - Prob. 35PECh. 9 - Integrated Concepts Suppose we replace the 4.0-kg...Ch. 9 - Prob. 37PECh. 9 - You have just planted a sturdy 2-m-tall palm tree...Ch. 9 - Unreasonable Results Suppose two children are...Ch. 9 - Construct Your Own Problem Consider a method for...Ch. 9 - Prob. 1TPCh. 9 - Prob. 2TPCh. 9 - Prob. 3TPCh. 9 - Prob. 4TPCh. 9 - Prob. 5TPCh. 9 - Prob. 6TPCh. 9 - Prob. 7TPCh. 9 - Prob. 8TPCh. 9 - Prob. 9TPCh. 9 - Prob. 10TPCh. 9 - Prob. 11TP
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
- Problem Eleven. A hollow sphere with rotational inertia 1 = (2/3)MR2 is moving with speed v down an incline of angle 0 toward a spring with spring constant k. After traveling a distance d down the incline with no slipping, the sphere makes contact with the spring and compresses it a distance x before it comes momentarily to rest. Find the distance d in terms of the other quantities given. (21) 19.) (A) d=- 2Mg sin kx²-Mv² +x (B) d= 2Mg sin kx²+Mv² +x kx²-Mv² (C) d=- -x (D) d= 2Mg sin 2Mg cos kx²-Mv² 2Mg sin -x (E) d= kx²-Mv²arrow_forward1. A light bulb operates at a temperature of 4,300 K and has an emissivity of 0.600 and a surface area of 5.50 mm². How long would the light bulb have to shine on a 2.00 g piece of ice that is at -30.0°C in order to turn the ice into steam at 120°C? Assume all the energy radiated by the light bulb is absorbed by the ice while it becomes liquid and eventually steam. Give an answer in seconds. The following are specific heats for ice, water, and steam. Cice = 2,090 ***C kg kg."C Cwater = 4,186 C Csteam = 2,010 C kg"C The following are latent heats for water. L 3.33 x 10' J/kg Lv = 2.26 x 10° J/kg (A) 31.6 (B) 56.9 (C) 63.5 (D) 21.6 (E) 97.4 Suppose q; consists of three protons and 92 consists of two protons. Let q; be at the origin and q2 be located at d along the x-axis. See the diagram below. 91 92 Χ d 2. Where would the net electric potential due to these two charges be zero? (A) to the left of gi (B) to the right of 92 (D) to the right of 92, as well as to the left of gi (E) Between…arrow_forwardProblem Six: A homogeneous solid object floats in water with 60.0% of its volume below the surface. When placed in a second liquid, the same object floats with 90.0% of its volume below the surface. (The density of water is 1,000 kg/m³.) Determine the density of the object in kg/m³. 19.) (A) 430 (B) 280 Determine the specific gravity of the liquid. 20.) (A) 0.331 (B) 0.760 (C) 560 (D) 600 (E) 720 (C) 0.880 (D) 0.280 (E) 0.667arrow_forward
- A 1000-kg car traveling east at 30.0 m/s collides with a 950-kg car traveling north at 25.0 m/s. The cars stick together. Assume that any other unbalanced forces are negligible. What is the speed of the wreckage just after the collision? Please do on paper and show all equations and work done to get to the final answer. Along with any helpful diagrams if needed. These are a part of my review questions in the book but i keep getting different answers from what the book says, it is not a graded assignment***arrow_forwardWas not explained in my physics 2 lecture, and I'm confused!arrow_forwardA 75.0-kg person drops from rest a distance of 1.20 m to a platform of negligible mass supported by an ideal stiff spring of negligible mass. The platform drops 6.00 cm before the person comes to rest. What is the spring constant of the spring? Please do on paper and show all equations and work done to get to the final answer. Along with any helpful diagrams if needed. These are a part of my review questions in the book but i keep getting different answers from what the book says, it is not a graded assignment***arrow_forward
- Problem Ten. A uniform rod is suspended in mechanical equilibrium by two strings. If T₁ = 500 N, what is the weight of the rod (in N)? 18.) (A) 120 N (D) 600 N (B) 900 N (C) 500 N (E) 220 N T T Mg STAY Carrow_forwardIn the figure, two boxes, each of mass 35 kg, are at rest and connected as shown. The coefficient of kinetic friction between the inclined surface and the box is 0.38. Find the speed of the boxes just after they have moved 5.5 m. Please do on paper and show all formulas and work done to get final answer This is a review problem , I just keep getting the wrong thing from what the textbook says , so i would like to see the work donearrow_forwardA 64.0-kg skier starting from rest travels 200.0 m down a hill that has a 30.0° slope and a uniform surface. When the skier reaches the bottom of the hill, her speed is 30.0 m/s. How much work is done by friction as the skier comes down the hill? Please do on paper and show all the equations and work done to get to the final answer.arrow_forward
- A 550-kg car moving at 18.5 m/s hits from behind a 560-kg car moving at 11.8 m/s in the same direction. If the new speed of the heavier car is 16.0 m/s, what is the speed of the lighter car after the collision, assuming that any unbalanced forces on the system are negligibly small? Please do on paper and show all equations and work done to get to the final answer. Along with any helpful diagrams if needed. These are a part of my review questions in the book but i keep getting different answers from what the book says, it is not a graded assignment***arrow_forwardA 150kg piano rolls down a 30° incline. A man tries to keep it from accelerating, and manages to keep its acceleration to 1.4 m/s^2 . If the piano rolls 8 m, what is the net work, in joules, done on it by all the forces acting on it? Please do it on paper and show all formulas and work used to get the answerarrow_forwardThe rectangular loop of wire shown in the figure (Figure 1) has a mass of 0.18 g per centimeter of length and is pivoted about side ab on a frictionless axis. The current in the wire is 8.5 A in the direction shown. Find the magnitude of the magnetic field parallel to the y-axis that will cause the loop to swing up until its plane makes an angle of 30.0 ∘ with the yz-plane. The answer is .028 T, I just need help understanding how to do it. Please show all steps.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 Learning
Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
Glencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-Hill
Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax College
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
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...
Physics
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
Static Equilibrium: concept; Author: Jennifer Cash;https://www.youtube.com/watch?v=0BIgFKVnlBU;License: Standard YouTube License, CC-BY