Question

?

11
0 out of 15 poin
A 20.0 kg child is riding a playground merry-go-round that is rotating at 5.0 rev/min. What centripetal force (in N)
must she exert to stay on if she is 10.00 m from its center?
Selected Answer: a 50
Correct Answer:
54.8
expand button
Transcribed Image Text:11 0 out of 15 poin A 20.0 kg child is riding a playground merry-go-round that is rotating at 5.0 rev/min. What centripetal force (in N) must she exert to stay on if she is 10.00 m from its center? Selected Answer: a 50 Correct Answer: 54.8
Expert Solution
Check Mark
Blurred answer
Students who’ve seen this question also like:
College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
Not helpful? See similar books
College Physics
College Physics
Units, Trigonometry. And Vectors. 1CQ
marketing sidebar icon
Your question is solved by a Subject Matter Expert
marketing sidebar icon
Want to see this answer and more?
Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*
*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Get 24/7 homework help!
8+ million solutions
Get access to millions of step-by-step textbook and homework solutions
Support from experts
Send experts your homework questions or start a chat with a tutor
Essay support
Check for plagiarism and create citations in seconds
Solve math equations
Get instant explanations to difficult math equations
Students love us.
Students love us.

Related Physics Q&A

Find answers to questions asked by students like you.

Q: A 80kg person sits 2m from the center of the rotating platform and the platform has a tangential…

A: Given data *The mass of the person is m = 80 kg *The distance of the center of the rotating platform…

Q: A centrifuge in a medical laboratory rotates at an angularvelocity of 3 600 rev/min. When switched…

A: The final angular velocity is zero as the centrifuge stops.During the 50 revolutions, the centrifuge…

Q: An athlete swings a 6.30-kg ball horizontally on the end of a rope. The ball moves in a circle of…

A: Click to see the answer

Q: A centrifuge in a medical laboratory rotates at an angular velocity of 3600 rev/min. When switched…

A: A centrifuge in a medical laboratory rotates at an angular velocity of 3600 rev/min. When switched…

Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,800 rev/min. When switched…

A: ωi=Initial angular velocity=3800×2π60=3803π rad/sωf=Final angular velocity=0θ=Angular…

Q: 2. What is the acceleration of a point on the rim of a fiywheel 1.20m in diameter, turning at a rate…

A: Given: Diameter of wheel, d=1.20 m Radius of wheel, r=d/2  r=1.20 m/2 = 0.60 m Frequency f=1200…

Q: Zorch, an archenemy of Superman, decides to slow Earth's rotation to once per 28.0 h by exerting an…

A: To determine,How long(t) must Zorch push with this force to accomplish his goal.given,Earth's…

Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,550 rev/min. When switched…

A: Click to see the answer

Q: A point mass of .39kg is set to rotate about a fixed axis .76 m away. The mass is initially at rest…

A: Click to see the answer

Q: If a centrifuge has an inital angular velocity of 20 rotations per second and and a constant angular…

A: Click to see the answer

Q: It has been suggested that rotating cylinders about 18.0 mi long and 4.18 mi in diameter be placed…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,700 rev/min. When switched…

A: According to the rotational kinematics equation, ω2=ω02+2α∆θω2-ω02=2α∆θα=ω2-ω022∆θ

Q: ment of inertia of disk for the rotation about the thr

A: The moment of inertia is defined as the quantity expressed by the body resisting angular…

Q: A certain planet spins on its axis 4 a day and orbits the sun 43 a year. Determine the average…

A: Click to see the answer

Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,750 rev/min. When switched…

A: Click to see the answer

Q: A point mass of 0.36 kg is set to rotate about a fixed axis 0.72 m away. The mass is initially at…

A: The angular final velocity is,

Q: Zorch, an archenemy of Superman, decides to slow Earth’s rotation to once per 28.0 h by exerting an…

A: It is given that,

Q: Roxanne is making a strawberry milkshake in her blender. A tiny, 0.0050 kg strawberry is rapidly…

A: mass of strawberry (m) = 0.0050 kg Speed of strawberry (v) = 14 m/sCentripetal force experienced by…

Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,800 rev/min. When switched…

A: The initial angular speed of the centrifuge is ω0 = 3,800 rev/min. The angular displacement of the…

Q: 2) Once the disk from question 1 is spinning at this final velocity, an additional mass of 5.00 kg…

A: According to conservation of angular momentum If no external torque is present angular momentum…

Q: A wheel rotates from rest to 60 rad/s at a rate of 100 rad/s2. What angle did the wheel turn while…

A: From kinematics, the expression for the final angular velocity is:

Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,700 rev/min. When switched…

A: Write the given values with suitable variables. ωi=3700 rev/min=3700×2π60 rad/s=387.46  rad/sωf=0…

Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,400 rev/min. When switched…

A: we use the basic equation of kinematics

Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,400 rev/min. When switched…

A: Given the initial angular speed  ωi=3400 rev/min Final angular speed ωo=0 rad/s Before coming to…

Q: An astronaut candidate is being tested in a centrifuge that has a radial acceleration of 4g. The…

A: The expression for radial acceleration is,

Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,450 rev/min. When switched…

A: Click to see the answer

Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,450 rev/min. When switched…

A: The initial angular speed is

Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,700 rev/min. When switched…

A: From kinematics, the expression for the angular distance is:

Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,500 rev/min. When switched…

A: The initial angular velocity can be expressed as ω0=3500 rev/min2π rad1 rev1 min60 s=376.8rad/s

Q: You have a grindstone (a disk) that is 77.0 kg, has a 0.400-m radius, and is turning at 89.0 rpm,…

A: Given Mass m =77 kg Radius r = 0.4 m Frequency f = 89 rpm = 89/60 rps

Q: Zorch, an archenemy of Superman, decides to slow Earth’s rotation to once per 28.0 h by exerting an…

A: The initial and final angular velocity is ωi=1 rev24 hr2πrad1 rev1 hr3600 s=7.27×10-5rads ωf=1 rev28…

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

A: (a) centrifugal acceleration is given  by,      ac=ω2R where ω is angular speed            R is…

Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,800 rev/min. When switched…

A: Click to see the answer

Q: When you start your record player, a ladybug is sitting on the edge of the record, 15 cm from the…

A: The angular acceleration (α) of the record is given by, Here, ω denotes the angular velocity and t…

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

A: (a) angular speed is, ac=rω2ω=acrω=88.2 m/s24.04 mω=4.67 rad/s

Q: A centrifuge in a medical laboratory rotates at an angular velocity of 3600 rev/min.  When switched…

A: Let the initial and final angular velocities of the centrifuge be denoted as ωo and ωf .Let the…

Q: A motorcycle goes from rest to 60 mph in 3 s.  A motorcycle tire has a radius of 0.6 m.  How many…

A: Click to see the answer

Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,550 rev/min, clockwise (when…

A: Click to see the answer

Q: A boy rides his bicycle 2.00 km. The wheels have radius 30.0 cm. What is the total angle the tires…

A: Click to see the answer

Q: Three children are riding on the edge of a merry-go-round that is 122 kg, has a 1.60 m radius, and…

A: Given Information:- Mass of the merry-go-round is M=122 kg Initial angular speed of the…

Q: A race car makes one lap around a track of radius 73.2 m in 12.5 s. What is it’s tangential…

A: Click to see the answer

Knowledge Booster
Physics
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.
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
  • 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
  • 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