University Physics with Modern Physics (14th Edition)
14th Edition
ISBN: 9780321973610
Author: Hugh D. Young, Roger A. Freedman
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 6, Problem 6.41E
(a) In Example 6.7 (Section 6.3) it was calculated that with the air track turned off, the glider travels 8.6 cm before it stops instantaneously. How large would the coefficient of static friction μs have to be to keep the glider from springing back to the left? (b) If the coefficient of static friction between the glider and the track is μs = 0.60, what is the maximum initial speed v1 that the glider can be given and still remain at rest after it stops instantaneously? With the air track turned off, the coefficient of kinetic friction is μk = 0.47.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A guy dives from a cliff of height H at an initial speed 0 (for simplicity).
During the first phase of his fall, he wraps his arms. During the second phase, he
stretches his arms to slow himself down so that his touchdown speed at the water
surface is vo. The air drag coefficient during the first phase is k while it is ßk during
the second phase. The air drag force is always proportional to the falling speed. At
what height the guy should open his arms so that his touchdown speed is vo?
Compute the total falling time.
A constant applied force F, of 13.0 N pushes a box with a mass m = 6.00 kg a distance x = 15.0 m across a level floor. The
coefficient of kinetic friction between the box and the floor is 0.130.
F,
Assuming that the box starts from rest, what is the final velocity vf of the box at the 15.0 m point?
Uf =
m/s
If there were no friction between the box and the floor, what applied force Fnew would give the box the same final velocity?
Fney
O20°C
87
You push a small box so that it starts moving with a speed of 1.0 m/s along a rough table. After 1.0 m, the box reaches the edge of the table and lands on the floor 21 cm from the table edge. The surface of the table is 0.8 m above the floor.
Determine the coefficient of friction between the box and the table.
Determine the speed of the box at the moment it hits the floor.
Chapter 6 Solutions
University Physics with Modern Physics (14th Edition)
Ch. 6.1 - An electron moves in a straight line toward the...Ch. 6.2 - Rank the following bodies in order of their...Ch. 6.3 - In Example 5.20 (Section 5.4) we examined a...Ch. 6.4 - The air surrounding an airplane in flight exerts a...Ch. 6 - The sign of many physical quantities depends on...Ch. 6 - An elevator is hoisted by its cables at constant...Ch. 6 - A rope tied to a body is pulled, causing the body...Ch. 6 - If it takes total work W to give an object a speed...Ch. 6 - If there is a net nonzero force on a moving...Ch. 6 - In Example 5.5 (Section 5.1), how does the work...
Ch. 6 - In the conical pendulum of Example 5.20 (Section...Ch. 6 - For the cases shown in Fig. Q6.8, the object is...Ch. 6 - A force F is in the x-direction and has a...Ch. 6 - Does a cars kinetic energy change more when the...Ch. 6 - A falling brick has a mass of 1.5 kg and is moving...Ch. 6 - Can the total work done on an object during a...Ch. 6 - A net force acts on an object and accelerates it...Ch. 6 - A truck speeding down the highway has a lot of...Ch. 6 - You are holding a briefcase by the handle, with...Ch. 6 - When a book slides along a tabletop. the force of...Ch. 6 - Time yourself while running up a flight of steps,...Ch. 6 - Fractured Physics. Many terms from physics are...Ch. 6 - An advertisement for a portable electrical...Ch. 6 - A car speeds up while the engine delivers constant...Ch. 6 - Consider a graph of instantaneous power versus...Ch. 6 - A nonzero net force acts on an object. Is it...Ch. 6 - When a certain force is applied to an ideal...Ch. 6 - If work W is required to stretch a spring a...Ch. 6 - You push your physics book 1.50 m along a...Ch. 6 - Using a cable with a tension of 1350 N, a tow...Ch. 6 - A factory worker pushes a 30.0-kg crate a distance...Ch. 6 - Suppose the worker in Exercise 6.3 pushes downward...Ch. 6 - A 75.0-kg painter climbs a ladder that is 2.75 m...Ch. 6 - Two tugboats pull a disabled supertanker. Each tug...Ch. 6 - Two blocks are connected by a very light string...Ch. 6 - A loaded grocery cart is rolling across a parking...Ch. 6 - A 0.800-kg ball is tied to the end of a string...Ch. 6 - A 12.0-kg package in a mail-sorting room slides...Ch. 6 - A 128.0-N carton is pulled up a frictionless...Ch. 6 - A boxed 10.0-kg computer monitor is drugged by...Ch. 6 - A large crate sits on the floor of a warehouse....Ch. 6 - You apply a constant force F=(68.0N)i+(36.0N)j to...Ch. 6 - You are holding a briefcase by the handle, with...Ch. 6 - When a book slides along a tabletop, the force of...Ch. 6 - Time yourself while running up a flight of steps,...Ch. 6 - Fractured Physics. Many terms from physics are...Ch. 6 - Meteor Crater. About 50,000 years ago, a meteor...Ch. 6 - A 4.80-kg watermelon is dropped from rest from the...Ch. 6 - Use the work-energy theorem to solve each of these...Ch. 6 - Use the work-energy theorem to solve each of these...Ch. 6 - You are a member of an Alpine Rescue Team. You...Ch. 6 - You throw a 3.00-N rock vertically into the air...Ch. 6 - A sled with mass 12.00 kg moves in a straight line...Ch. 6 - A mass m slides down a smooth inclined plane from...Ch. 6 - A 12-pack of Omni-Cola (mass 4.30 kg) is initially...Ch. 6 - A soccer ball with mass 0.420 kg is initially...Ch. 6 - A little red wagon with mass 7.00 kg moves in a...Ch. 6 - A block of ice with mass 2.00 kg slides 1.35 m...Ch. 6 - Stopping Distance. A car is traveling on a level...Ch. 6 - A 30.0-kg crate is initially moving with a...Ch. 6 - BIO Heart Repair. A surgeon is using material from...Ch. 6 - To stretch a spring 3.00 cm from its unstretched...Ch. 6 - Three identical 8.50-kg masses are hung by three...Ch. 6 - A child applies a force F parallel to the x-axis...Ch. 6 - Suppose the sled in Exercise 6.36 is initially at...Ch. 6 - A spring of force constant 300.0 N/m and...Ch. 6 - A 6.0-kg box moving at 3.0 m/s on a horizontal,...Ch. 6 - Leg Presses. As part of your daily workout, you...Ch. 6 - (a) In Example 6.7 (Section 6.3) it was calculated...Ch. 6 - A 4.00-kg block of ice is placed against a...Ch. 6 - A force F is applied to a 2.0-kg, radio-controlled...Ch. 6 - Suppose the 2.0-kg model car in Exercise 6.43 is...Ch. 6 - Prob. 6.45ECh. 6 - Half or a Spring. (a) Suppose you cut a massless...Ch. 6 - A small glider is placed against a compressed...Ch. 6 - An ingenious bricklayer builds a device for...Ch. 6 - CALC A force in the +x-direction with magnitude...Ch. 6 - A crate on a motorized cart starts from rest and...Ch. 6 - How many joules of energy does a 100-watt light...Ch. 6 - BIO Should You Walk or Run? It is 5.0 km from your...Ch. 6 - Magnetar. Oil December 27, 2004, astronomers...Ch. 6 - A 20.0-kg rock is sliding on a rough, horizontal...Ch. 6 - A tandem (two-person) bicycle team must overcome a...Ch. 6 - When its 75-kW (100-hp) engine is generating full...Ch. 6 - Working Like a Horse. Your job is to lift 30-kg...Ch. 6 - An elevator has mass 600 kg, not including...Ch. 6 - A ski tow operates on a 15.0 slope of length 300...Ch. 6 - You are applying a constant horizontal force F =...Ch. 6 - BIO While hovering, a typical flying insect...Ch. 6 - CALC A balky cow is leaving the barn as you try...Ch. 6 - A luggage handler pulls a 20.0-kg suitcase up a...Ch. 6 - Chin-ups. While doing a chin-up, a man lifts his...Ch. 6 - Consider the blocks in Exercise 6.7 as they move...Ch. 6 - A 5.00-kg package slides 2.80 m down a long ramp...Ch. 6 - CP BIO Whiplash Injuries. When a car is hit from...Ch. 6 - CALC A net force along the x-axis that has...Ch. 6 - CALC Varying Coefficient of Friction. A box is...Ch. 6 - CALC Consider a spring that does not obey Hookes...Ch. 6 - CP A small block with Figure P6.71 a mass of...Ch. 6 - CALC Proton Bombardment. A proton with mass 1.67 ...Ch. 6 - You are asked to design spring bumpers for the...Ch. 6 - You and your bicycle have combined mass 80.0 kg....Ch. 6 - A 2.50-kg textbook is forced against a horizontal...Ch. 6 - The spring of a spring gun has force constant k =...Ch. 6 - One end of a horizontal spring with force constant...Ch. 6 - One end of a horizontal spring with force constant...Ch. 6 - A 5.00-kg block is moving at 0 = 6.00 m/s along a...Ch. 6 - A physics professor is pushed up a ramp inclined...Ch. 6 - Consider the system shown in Fig. P6.81. The rope...Ch. 6 - Consider the system shown in Fig. P6.81. The rope...Ch. 6 - On an essentially frictionless, horizontal ice...Ch. 6 - BIO All birds, independent of their size, must...Ch. 6 - A pump is required to lift 800 kg of water (about...Ch. 6 - The Grand Coulee Dam is 1270 m long and 170 m...Ch. 6 - A physics student spends part of her day walking...Ch. 6 - CALC An object has several forces acting on it....Ch. 6 - BIO Power of the Human Heart. The human heart is a...Ch. 6 - DATA Figure P6.90 shows the results of measuring...Ch. 6 - DATA In a physics lab experiment, one end of a...Ch. 6 - DATA For a physics lab experiment, four classmates...Ch. 6 - CALC A Spring with Mass. We usually ignore the...Ch. 6 - CALC An airplane in flight is subject to an air...Ch. 6 - BIO ENERGY OF LOCOMOTION. On flat ground, a 70-kg...Ch. 6 - BIO ENERGY OF LOCOMOTION. On flat ground, a 70-kg...Ch. 6 - BIO ENERGY OF LOCOMOTION. On flat ground, a 70-kg...
Additional Science Textbook Solutions
Find more solutions based on key concepts
What is the anatomical position? Why is it important that you learn this position?
Anatomy & Physiology (6th Edition)
27. Consider the reaction.
Express the rate of the reaction in terms of the change in concentration of each of...
Chemistry: Structure and Properties (2nd Edition)
APPLY 1.2 Express the following quantities in scientific notation
using fundamental SI units of mass and lengt...
Chemistry (7th Edition)
Match each of the following items with all the terms it applies to:
Human Physiology: An Integrated Approach (8th Edition)
47. Balance each chemical equation.
a.
b.
c.
d.
Introductory Chemistry (6th Edition)
Two culture media were inoculated with four different bacteria. After incubation, the following results were ob...
Microbiology: An Introduction
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
- You're standing at the top of a snow-covered hill, sloped at 20.0°. The coefficient of kinetic friction between your sled and the hill is 0.534. Unfortunately, there's a running stream just at the bottom of the hill, and you don't want to get wet. If you and your sled together have a mass of 87.0 kg, with what speed should you push off with to stop just before the stream, 77.0 m down the slope?arrow_forwardA block of mass m =2.2 kg slides on the ground. At the start of the slide, the velocity of the block is v = 3.1 m/s. Then the block comes to rest. We observe that the block slides for s =2.7 m before coming to rest. Assuming that only kinetic friction force acts on the lock when we observe the motion, what is the kinetic friction coefficient between the block and the ground?arrow_forwardAn amusement park in Dubai has a ramp which is frictionless. A child drops a smooth object and it slides down the ramp and comes down through a height 3.7 m. What distance is necessary to stop the object on the flat track if the coefficient of friction is 0.2? Answer:arrow_forward
- A 2.0 kg piece of wood slides on a curved surface . The sides of the surface are perfectly smooth, but the rough horizontal bottom is 30 m long and has a kinetic friction coefficient of 0.20 with the wood. The piece of wood starts from rest 4.0 m above the rough bottom. (a) Where will this wood eventually come to rest? (b) For the motion from the initial release until the piece of wood comes to rest, what is the total amount of work done by friction?arrow_forwardAn extreme skier, starting from rest, coasts down a mountain that makes an angle of 35.3 ° with the horizontal. The coefficient of kinetic friction between her skis and the snow is 0.115. She coasts for a distance of 18.5 m before coming to the edge of a cliff. Without slowing down, she skis off the cliff and lands downhill at a point whose vertical distance is 4.32 m below the edge. How fast is she going just before she lands?arrow_forwardA 12 kg box is released from the top of an incline that is 5 m long and makes an angle of 40 degrees to the horizontal. The friction force between the box and the incline is 60 N. What is the coecient of kinetic friction µk between the box and the incline?arrow_forward
- A box with with a mass m = 2kg is being pushed up a ramp by an unknown pushing force Fp. The coefficient of static friction between the box and interface is 0.7. The coefficient of kinetic friction between the box and interface is 0.6. The incline of the ramp is 15 degrees. The velocity of the box is constant. The surface of the ramp is 12 m. Fp is removed when the box reaches the top of the ramp. What is the acceleratin of the box after Fp is removed?arrow_forwardA box is launched up a rough incline with an initial velocity, vô = 6.7 m/s, as in the figure below. The coefficient of kinetic friction between the box and incline is uk = 0.3. The angle in the figure is = 27.6 degrees. What speed will the box have when it returns to its initial position at the bottom? Өarrow_forwardA 12 kg block of ice slides down a ramp 10 m long, inclined at 18° to the horizontal. (a) If the coefficient of kinetic friction between the ice and the ramp is 0.10, what is the acceleration of the block of ice? (b) What is the final speed of the ice at the bottom of the ramp? 18°arrow_forward
- Wnet = m(v₁)² = m(v₁)², Wnet = Σ₁ W₁, W = Fd cos 0 Problem 1: A 2.0 kg box slides on a floor. A friction force of 5.0 N opposes the motion. If the box starts with a speed of 5.5 m/sec, how far does is slide before coming to rest? Answer: d = 6.1 m Problem 2: What is the force a 60.0 kg sprinter exerts backward on the track to accelerate from 2.00 m/sec to 8.00 m/sec in a distance of 25.0 m, if they encounter a wind that exerts an average force of 30.0 N against them? Hint: Wnet = Wrunner - Wwind. Answer: Frunner: = 102.0 N Problem 3: A 500-kg dragster accelerates from rest to a final speed of 110 m/sec in 400 m (about a quarter of a mile) and encounters an average frictional force of 1200 N. What is the work done by the dragster? Hint: Wnet = Wdragster - Wfriction. Answer: Wdragster = 3.5 × 106 Jarrow_forwardA 1500kg car is driving on the road at a speed of 15 m/s. The driver applies the brakes, bringing the car to a stop. If the coefficient of static friction between the car's tires and the road is 0.8, what minimum distance does the car need in order to stop?arrow_forwardA small block sits at one end of a flat board that is 4.00 m long. The coefficients of friction between the block and the board are μs= 0.450 and μ = 0.400. The end of the board where the block sits is slowly raised until the angle the board makes with the horizontal is α0, and then the block starts to slide down the board. If the angle is kept equal to α0 as the block slides, what is the speed of the block when it reaches the bottom of the board? Express your answer with the appropriate units.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Glencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-Hill
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
Mechanical work done (GCSE Physics); Author: Dr de Bruin's Classroom;https://www.youtube.com/watch?v=OapgRhYDMvw;License: Standard YouTube License, CC-BY