A bicycle racer is going downhill at 12.9 m/s when,to his horror, one of his 2.27 kg wheels comes offwhen he is 80.0 m above the foot of the hill. Wecan model the wheel as a thin-walled cylinder 85.0cm in diameter and neglect the small mass of thespokes.Part AHow fast is the wheel moving when it reaches the foot of the hill if it rolled without slipping all the way down?Η ΑΣΦV₁ = 28.0?m/sSubmit Previous Answers Request Answer× Incorrect; Try AgainPart BHow much total kinetic energy does the wheel have when it reaches the bottom of the hill?ΜΕ ΑΣΦKe 1780Submit Previous Answers Request Answer× Incorrect; Try Again?J

Part A : 30.8287 m/s Part B : 2157.43 JExplanation:

Answered: A bicycle racer is going downhill at…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

Please don't provide handwritten solution ....
A disk of radius R=49.4cm rotates about its central axis through O with a constant angular acceleration a=3.29rad/s?, as shown in the figure. At t = 0, the initial tangential speed of a point P on the rim of the disk is v=11.81m/s. Find the final tangential speed v of the point P at any time t=19s. Express your answer using one decimal place. R
A marble pf mass m= .500 kg and radius .05 m is rolling along a loop-the-loop track of radius 2.00 m. When the marble is at a height of one one track radius, its velocity is 4.00 m. a. What is it's speed at the bottom of the track? b. How hard does the track push on it? 590 2000 93h=R V=?
While riding a multispeed bicycle, the rider can select the radius of the rear sprocket that is fixed to the rear axle. The front sprocket of a bicycle has radius 12.5 cm. Part A If the angular speed of the front sprocket is 0.500 rev/s, what is the radius of the rear sprocket for which the tangential speed of a point on the rim of the rear wheel will be 4.00 m/s? The rear wheel has radius 0.320 m. Express your answer in meters. ? m Submit Request Answer
hi please solve this as soon as possible
A 1.15-kg grinding wheel 22.0 cm in diameter is spinning counterclockwise at a rate of 20.0 revolutions per second. When the power to the grinder is turned off, the grinding wheel slows with constant angular acceleration and takes 80.0 s to come to a rest Part A What was the angular acceleration (in rad/s) of the grinding wheel as it came to rest if we take a counterclockwise rotation as positive? Express your answer in radians per second squared. V ΑΣΦ Submit Request Answer Part B ? rad/s2 How many revolutions did the wheel make during the time it was coming to rest? Express your answer as a number of revolutions. ΜΕ ΑΣΦ Submit Request Answer Provide Feedback ? revolutions Next>>
The 5-kg cylinder is initially at rest when it is placed in contact with the wall B and the rotor at A. Part A If the rotor always maintains a constant clockwise angular velocity w = 6 rad/s, determine the initial angular acceleration of the cylinder. The coefficient of kinetic friction at the contacting surfaces B and C is uk = 0.2. (Figure 1) Express your answer with the appropriate units. ? a = Value Units Submit Request Answer Figure 1 of 1 Provide Feedback Next > 125 mm 45 P Pearson
A hoop, a disk, and a solid sphere with equal masses and equal radii, all roll without slipping down an inclined plane starting from rest. Which of the following is NOT true? (Inoop = mr? ; Idisk = mp ; Isolid sphere = mr2) O The force of gravity along the plane will be equal for all. O At the bottom, the rotational kinetic energy will be greatest for the sphere. O At the bottom, the angular velocity about the center of the object will be greatest for the sphere. O At the bottom, the rotational plus translational kinetic energy will be the same for each object. O At the bottom, the translational kinetic energy will be least for the hoop.
A uniform disk with radius 0.800 m and mass 30.0 kg rotates in a horizontal plane on a frictionless vertical axle that passes through the center of the disk. The angle through which the disk has turned varies with time according to 0(t) = (1.10 rad/s)t + (6.30 rad/s²)t². Part A What is the resultant linear acceleration of a point on the rim of the disk at the instant when the disk has turned through 0.100 rev? Express your answer with the appropriate units. a = μA Value Submit Request Answer = Units ?
Solve it correctly please. I
A particle is at the position (x, y, z) (1.3, 2.3, 3.4) m. It is traveling with a vector velocity (-5.2, 2.7, -3.3) m/s. Its mass is 4.0 kg. Part A What is its vector angular momentum about the origin? Find the x-component. Express your answer using two significant figures. Lx= ΜΕ ΑΣΦ Submit Request Answer Part B Find the y-component. Express your answer using two significant figures. Ly= ΜΕ ΑΣΦ Submit Request Answer Part C Find the z-component. Express your answer using two significant figures. ? kg-m²/s ? kg-m²/s
A wind turbine has 12,000 kg blades that are 37 m long. The blades spin at 22 rpm. Part A If we model a blade as a point mass at the midpoint of the blade, what is the inward force necessary to provide each blade's centripetal acceleration? Express your answer with the appropriate units. F= Valye HÅ Submit Request Answer Provide Feedback G → Units ? N

SEE MORE QUESTIONS

Recommended textbooks for you

College Physics

Physics

ISBN:

9781305952300

Author:

Raymond A. Serway, Chris Vuille

Publisher:

Cengage Learning

University Physics (14th Edition)

Physics

ISBN:

9780133969290

Author:

Hugh D. Young, Roger A. Freedman

Publisher:

PEARSON

Introduction To Quantum Mechanics

Physics

ISBN:

9781107189638

Author:

Griffiths, David J., Schroeter, Darrell F.

Publisher:

Cambridge University Press

College Physics

Physics

ISBN:

9781305952300

Author:

Raymond A. Serway, Chris Vuille

Publisher:

Cengage Learning

University Physics (14th Edition)

Physics

ISBN:

9780133969290

Author:

Hugh D. Young, Roger A. Freedman

Publisher:

PEARSON

Introduction To Quantum Mechanics

Physics

ISBN:

9781107189638

Author:

Griffiths, David J., Schroeter, Darrell F.

Publisher:

Cambridge University Press

Physics for Scientists and Engineers

Physics

ISBN:

9781337553278

Author:

Raymond A. Serway, John W. Jewett

Publisher:

Cengage Learning

Lecture- Tutorials for Introductory Astronomy

Physics

ISBN:

9780321820464

Author:

Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden

Publisher:

Addison-Wesley

College Physics: A Strategic Approach (4th Editio…

Physics

ISBN:

9780134609034

Author:

Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field

Publisher:

PEARSON

SEE MORE TEXTBOOKS