University Physics (14th Edition)
14th Edition
ISBN: 9780133969290
Author: Hugh D. Young, Roger A. Freedman
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 5, Problem 5.102P
You are riding in a school bus. As the bus rounds a flat curve at constant speed, a lunch box with mass 0.500 kg, suspended from the ceiling of the bus by a string 1.80 m long, is found to hang at rest relative to the bus when the string makes an angle of 30.0° with the vertical. In this position the lunch box is 50.0 m from the curve’s center of curvature. What is the speed υ of the bus?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
a 1.34 kg ball is connected by means of two massless strings, each of length L 1.70 m, to a vertical, rotating rod.The strings are tied to the rod with separation d = 1.70 m and are taut.The tension in the upper string is 35 N.What are the (a) tension in the lower string, (b) magnitude of the net force on the ball, and (c) speed of the ball? (d) What is the direction of F ?
A mass m of 1.0 kg is attached by a massless string of length l of 2 m and resting on a cone. The angle θ is 40°. The mass moves around in a horizontal circle at a speed of 2.0 m/s. Use g = 10 N/kg. Assume that the cone does not exert a friction force.
a) Determine the tension in the string.
b) Determine the magnitude of the normal force acting on the mass. (Negative values are possible solutions to this problem even though you can not have a negative normal force physically. Just enter the negative value.)
c0Determine the maximum speed (v) at which the mass stays in contact with the cone.
a 1.34 kg ball is connected by means of two massless strings, each of length L = 1.70 m, to a vertical, rotating rod. The strings are tied to the rod with separation d = 1.70 m and are taut. The tension in the upper string is 35 N. What are the (a) tension in the lower string, (b) magnitude of the net force on the ball, and (c) speed of the ball? (d) What is the direction of the net force?
Chapter 5 Solutions
University Physics (14th Edition)
Ch. 5 - A man sits in a seat that is hanging from a rope....Ch. 5 - In general, the normal force is not equal to the...Ch. 5 - A clothesline hangs between two poles. No matter...Ch. 5 - You drive a car up a steep hill at constant speed....Ch. 5 - For medical reasons, astronauts in outer space...Ch. 5 - To push a box up a ramp, which requires less...Ch. 5 - A woman in an elevator lets go of her briefcase,...Ch. 5 - A block rests on an inclined plane with enough...Ch. 5 - A crate slides up an inclined ramp and then slides...Ch. 5 - A crate of books rests on a level floor. To move...
Ch. 5 - In a world without friction, which of the...Ch. 5 - When you stand with bare feet in a wet bathtub,...Ch. 5 - You are pushing a large crate from the back of a...Ch. 5 - It is often said that friction always opposes...Ch. 5 - If there is a net force on a particle in uniform...Ch. 5 - A curve in a road has a bank angle calculated and...Ch. 5 - You swing a ball on the end of a lightweight...Ch. 5 - The centrifugal force is not included in the...Ch. 5 - A professor swings a rubber stopper in a...Ch. 5 - To keep the forces on the riders within allowable...Ch. 5 - A tennis ball drops from rest at the top of a tall...Ch. 5 - You throw a baseball straight upward with speed 0....Ch. 5 - You throw a baseball straight upward. If you do...Ch. 5 - You have two identical tennis balls and fill one...Ch. 5 - A ball is dropped from rest and feels air...Ch. 5 - A ball is dropped from rest and feels air...Ch. 5 - When a balled baseball moves with air drag, when...Ch. 5 - A ball is thrown from the edge of a high cliff....Ch. 5 - Two 25.0-N weights are suspended at opposite ends...Ch. 5 - In Fig. E5.2 each of the suspended blocks has...Ch. 5 - A 75.0-kg wrecking ball hangs from a uniform,...Ch. 5 - BIO Injuries to the Spinal Column. In the...Ch. 5 - A picture frame hung against a wall is suspended...Ch. 5 - A large wrecking ball is held in place by two...Ch. 5 - Find the tension in each cord in Fig. E5.7 if the...Ch. 5 - A 1130-kg car is held in place by a light cable on...Ch. 5 - A man pushes on a piano with mass 180 kg; it...Ch. 5 - In Fig. E5.10 the weight w is 60.0 N. (a) What is...Ch. 5 - BIO Stay Awake! An astronaut is inside a 2.25 106...Ch. 5 - A rocket of initial mass 125 kg (including all the...Ch. 5 - CP Genesis Crash. On September 8, 2004, the...Ch. 5 - Three sleds are being pulled horizontally on...Ch. 5 - Atwoods Machine. A 15.0-kg load of bricks hangs...Ch. 5 - CP An 8.00-Kg block of ice, released from rest at...Ch. 5 - A light rope is attached to a block with mass 4.00...Ch. 5 - CP Runway Design. A transport plane lakes off from...Ch. 5 - CP A 750.0-kg boulder is raised from a quarry 125...Ch. 5 - Apparent Weight. A 550-N physics student stands on...Ch. 5 - CP BIO Force During a Jump. When jumping straight...Ch. 5 - CP CALC A 2540-kg test rocket is launched...Ch. 5 - CP CALC A 2.00-kg box is moving to the right with...Ch. 5 - CP CALC A 5.00-kg crate is suspended from the end...Ch. 5 - BIO The Trendelenburg Position. After emergencies...Ch. 5 - In a laboratory experiment on friction, a 135-N...Ch. 5 - CP A stockroom worker pushes a box with mass 16.8...Ch. 5 - A box of bananas weighing 40.0 N rests on a...Ch. 5 - A 45.0-kg crate of tools rests on a horizontal...Ch. 5 - Some sliding rocks approach the base of a hill...Ch. 5 - A box with mass 10.0 kg moves on a ramp that is...Ch. 5 - A pickup truck is carrying a toolbox, but the rear...Ch. 5 - You are lowering two boxes, one on top of the...Ch. 5 - Consider the system shown in Fig. E5.34. Block A...Ch. 5 - CP Stopping Distance. (a) If the coefficient of...Ch. 5 - CP A 25.0-kg box of textbooks rests on a loading...Ch. 5 - Two crates connected by a rope lie on a horizontal...Ch. 5 - A box with mass m is dragged across a level floor...Ch. 5 - CP As shown in Fig. E5.34, block A (mass 2.25 kg)...Ch. 5 - You throw a baseball straight upward. The drag...Ch. 5 - A large crate with mass m rests on a horizontal...Ch. 5 - (a) In Example 5.18 (Section 5.3), what value of D...Ch. 5 - A stone with mass 0.80 kg is attached to one end...Ch. 5 - BIO Force on a Skaters Wrist. A 52-kg ice skater...Ch. 5 - A small remote-controlled car with mass 1.60 kg...Ch. 5 - 5.46A small car with mass 0.800 kg travels at...Ch. 5 - A small model car with mass m travels at constant...Ch. 5 - A flat (unbanked) curve on a highway has a radius...Ch. 5 - A 1125-kg car and a 2250-kg pickup truck approach...Ch. 5 - The Giant Swing at a county fair consists of a...Ch. 5 - In another version of the Giant Swing (see...Ch. 5 - A small button placed on a horizontal rotating...Ch. 5 - Rotating Space Stations. One problem for humans...Ch. 5 - The Cosmo Clock 21 Ferris wheel in Yokohama,...Ch. 5 - An airplane flies in a loop (a circular path in a...Ch. 5 - A 50.0-kg stunt pilot who has been diving her...Ch. 5 - Stay Dry! You tie a cord to a pail of water and...Ch. 5 - A bowling ball weighing 71.2 N (16.0 lb) is...Ch. 5 - BIO Effect on Blood of Walking. While a person is...Ch. 5 - An adventurous archaeologist crosses between two...Ch. 5 - Two ropes are connected to a steel cable that...Ch. 5 - In Fig. P5.62 a worker lifts a weight w by pulling...Ch. 5 - In a repair shop a truck engine that has mass 409...Ch. 5 - A horizontal wire holds a solid uniform ball of...Ch. 5 - A solid uniform 45.0-kg ball of diameter 32.0 cm...Ch. 5 - CP A box is sliding with a constant speed of 4.00...Ch. 5 - CP BIO Forces During Chin-ups. When you do a...Ch. 5 - CP CALC A 2.00-kg box is suspended from the end of...Ch. 5 - CALC A 3.00-kg box that is several hundred meters...Ch. 5 - CP A 5.00-kg box sits at rest at the bottom of a...Ch. 5 - Two boxes connected by a light horizontal rope are...Ch. 5 - A 6.00-kg box sits on a ramp that is inclined at...Ch. 5 - CP An 8.00-kg box sits on a ramp that is inclined...Ch. 5 - CP In Fig. P5.74, m1 = 20.0 kg and = 53.1. The...Ch. 5 - CP You place a book of mass 5.00 kg against a...Ch. 5 - Block A in Fig. P5.76 weighs 60.0 N. The...Ch. 5 - A block with mass m1 is placed on an inclined...Ch. 5 - BIO The Flying Leap of a Flea. High-speed motion...Ch. 5 - Block A in Fig. P5.79 weighs 1.20 N, and block B...Ch. 5 - CP Elevator Design. You are designing an elevator...Ch. 5 - CP CALC You are standing on a bathroom scale in an...Ch. 5 - A hammer is hanging by a light rope from the...Ch. 5 - A 40.0-kg packing case is initially at rest on the...Ch. 5 - If the coefficient of static friction between a...Ch. 5 - Two identical 15.0-kg balls, each 25.0 cm in...Ch. 5 - CP Traffic Court. You are called as an expert...Ch. 5 - Block A in Fig. P5.87 weighs 1.90 N, and block B...Ch. 5 - CP Losing Cargo. A 12.0-kg box rests on the level...Ch. 5 - Block A in Fig. P5.89 has mass 4.00 kg, and block...Ch. 5 - Two blocks connected by a cord passing over a...Ch. 5 - In terms of m1, m2, and g, find the acceleration...Ch. 5 - Block B, with mass 5.00 kg, rests on block A, with...Ch. 5 - Two objects, with masses 5.00 kg and 2.00 kg, hang...Ch. 5 - Friction in an Elevator. You are riding in an...Ch. 5 - A block is placed against the vertical front of a...Ch. 5 - Two blocks, with masses 4.00 kg and 8.00 kg, are...Ch. 5 - Block A, with weight 3w, slides down an inclined...Ch. 5 - Jack sits in the chair of a Ferris wheel that is...Ch. 5 - Bunked Curve I. A curve with a 120-m radius on a...Ch. 5 - Banked Curve II. Consider a wet roadway banked as...Ch. 5 - Blocks A, B, and C are placed as in Fig. P5.101...Ch. 5 - You are riding in a school bus. As the bus rounds...Ch. 5 - CALC You throw a rock downward into water with a...Ch. 5 - A 4.00-kg block is attached to a vertical rod by...Ch. 5 - On the ride Spindletop at the amusement park Six...Ch. 5 - A 70-kg person rides in a 30-kg cart moving at 12...Ch. 5 - A small bead can slide without friction on a...Ch. 5 - A physics major is working to pay her college...Ch. 5 - DATA In your physics lab, a block of mass m is at...Ch. 5 - DATA A road heading due cast passes over a small...Ch. 5 - DATA You are an engineer working for a...Ch. 5 - Moving Wedge. A wedge with mass M rests on a...Ch. 5 - Figure P5.112 5.113A wedge with mass M rests on a...Ch. 5 - Double Atwoods Machine. In Fig. P5.114 masses m1...Ch. 5 - A ball is held at rest at position A in Fig....Ch. 5 - FRICTION AND CLIMBING SHOES. Shoes made for the...Ch. 5 - FRICTION AND CLIMBING SHOES. Shoes made for the...Ch. 5 - FRICTION AND CLIMBING SHOES. Shoes made for the...
Additional Science Textbook Solutions
Find more solutions based on key concepts
20. (II) Determine the minimum gauge pressure needed in the water pipe leading into a building if water is to c...
Physics: Principles with Applications
2. With which statements do you disagree?
a. If two objects repel, they have like charges.
b. If two objects at...
College Physics
Your friend is sitting 6.5 m above you on a tree branch. How fast should you throw an apple so it just reaches ...
Essential University Physics (3rd 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)
The Mars Reconnaissance Orbiter circles the red planet with a 112-min period. Whats the spacecrafts altitude?
Essential University Physics: Volume 1 (3rd Edition)
Description of Motion:
Tutorials in Introductory 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
- A mass m of 1.0 kg is attached by a massless string of length l of 2 m and resting on a cone. The angle θ is 40°. The mass moves around in a horizontal circle at a speed of 2.0 m/s. Use g = 10 N/kg. Assume that the cone does not exert a friction force. a) Determine the tension in the string. b) Determine the magnitude of the normal force acting on the mass. (Negative values are possible solutions to this problem even though you can not have a negative normal force physically. Just enter the negative value.)arrow_forwarda car is driven at constant speed over a circular hill and then into a circular valley with the same radius. At the top of the hill, the normal force on the driver from the car seat is 0. The driver’s mass is 70.0 kg.What is the magnitude of the normal force on the driver from the seat when the car passes through the bottom of the valley?arrow_forwardYou are trying to move a light fixture into an apartment. There are hooks in the elevator so you hang the fixture on a hook with a chain. You don't want the fixture to touch the walls, so you attach a rope to the side that pulls horizontally as shown, keeping the fixture stationary with respect to the elevator. Note theta =38∘. As the elevator ascends vertically, the magnitude of the tension force in the chain from the elevator on the fixture as a function of the vertical position of the elevator, y, is Fcf(y)=F_0*e^-y/y1 where F_0=167 N and y1=3.3 m. Using the fixture as your system, if the elevator goes from y=0 to y=5.94m, what is the work done by the tension force in the chain on the fixture?arrow_forward
- An electric lamp of mass 0.8 kg is attached by an electric cable to the ceiling at point A. The lamp is pulled to one side by a string tied to the ceiling at B. The cable and string make angles of 60° and 40° respectively with the ceiling. A B 60° 40° cable string T, T, F=0.8N (i) The tension in the cable and string respectively are T¡ and T, . Find T and T, correct to two decimal places. (ii) What would be the tension in the cable if the string was removed so the lamp hangs straight down?arrow_forwardA spider hangs from the junction formed by three strands of silk, as shown in the figure. The force of tension in each strand pulls at the junction. The net force at the junction is zero. In other words, the resultant of all three force vectors is zero at the junction. The gravitational force on the spider makes it exert a downward force of 0.15 N on the junction. The two sloping strands are perpendicular to each other. We have chosen the x and y axes to be along those strands as shown. The force of the right strand on the junction has magnitude Tx force of the left strand on the junction has unknown magnitude T,y. a) Calculate Ty. b) Calculate the angle between the x axis and the horizontal direction. Hint: The SI unit of force is the newton, which is abbreviated as N. You must consider three force vectors. The x components of all three vectors must add to zero, and the y components must also add to zero. Note that the coordinate system is "rotated" which is Tx Ty 0.127 Ν. The a…arrow_forwardA ball of mass m is hanging on a wall with a string. The string makes an angle θ with the wall. What is the tension in the string?arrow_forward
- A 3 kg body is connected via an inextensible cable to a 1 kg body. A 30 N force at 37 degrees to the horizontal surface is applied at the free end of the 3 kg body and the two bodies begin moving under the effect of the applied force. Find the acceleration, in m/s2, of the 3 kg body. Use g =10m/s2, sin 37 = 0.6 and cos 37 = 0.8. Round the answer to the first decimal.arrow_forwardA small block with mass m is set on the top of an upside-down hemispherical bowl. If the coefficient of static friction between the block and the bowl is μs and the block is slowly repositioned at different points down the surface of the bowl, at what angle measured from the vertical will the block begin to slide? Write your answer in terms of the mass, m; the gravitational acceleration on Earth, g; and the coefficient of static friction, μs. (Assume the +y axis is vertically upward.)arrow_forwardA 3.00 kg box that is several hundred meters above the earth’s surface is suspended from the end of a short vertical rope of negligible mass. A time-dependent upward force is applied to the upper end of the rope and results in a tension in the rope of T(t) = (36.0 N>s)t. The box is at rest at t = 0. The only forces on the box are the tension in the rope and gravity. (a) What is the velocity of the box at (i) t = 1.00 s and (ii) t = 3.00 s? (b) What is the maximum distance that the box descends below its initial position? (c) At what value of t does the box return to its initial position?arrow_forward
- A block with some mass m is connected to a string that is attached to the ceiling. The block on the end of the string is going around a circular path with a constant radius r and constant speed. Applying Newton's second law to the x and y components of forces seperately in order to find the expressions for the tension of the string in terms of mass m, angle θ, and constant g.arrow_forwardAn object weights 5000 N on planet Alpha and 800 N on planet Beta. Planet Alpha has 4 times the mass of planet Beta. What is the ratio of Alpha's radius to Beta's radius? A 50 kg object is moving in uniform circular motion with a radius of 25 m. It takes the object 6 s to make one complete revolution. Find the net force acting on the object.arrow_forwardThe figure shows a block of mass M hanging at rest. The light wire fastened to the wall is horizontal and has a tension of 18 N. The wire fastened to the ceiling is also very light, has a tension of 50 N, and makes an angle 0 with the ceiling. Find the angle 0. O 33.6° 68.9° 50 65° 45.9arrow_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
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Newton's Second Law of Motion: F = ma; Author: Professor Dave explains;https://www.youtube.com/watch?v=xzA6IBWUEDE;License: Standard YouTube License, CC-BY