A disk with a rotational inertia of 4.0 kg.m2 and a radius of 0.40 m rotates on a frictionless fixed axis perpendicular to the disk faces and through its center. A force of 7.0 N is applied tangentially to the rim. The angular acceleration of the disk is: 0.7 rad/s2 0.4 rad/s2 2.8 rad/s2 70 rad/s2

A disk with a rotational inertia of 4.0 kg.m2 and a radius of 0.40 m rotates on a frictionless fixed axis perpendicular to the disk faces and through its center. A force of 7.0 N is applied tangentially to the rim. The angular acceleration of the disk is: 0.7 rad/s2 0.4 rad/s2 2.8 rad/s2 70 rad/s2

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter10: Rotational Motion

Section: Chapter Questions

Problem 9P

See similar textbooks

Related questions

Q: A disk is free to rotate about a fixed axis at its center. If the angular velocity of the disk as a…

Q: A lacrosse player provides a torque to a ball at the end of their stick, which provides it with an…

Q: A solid disk flywheel of mass 38.0 kg and radius 120 cm starts from rest and rotates clockwise up to…

Q: A ball (mass = 8.5 kg) is rolling at a constant angular acceleration of 1.670 rad/s2. If its…

A: According to the rotational kinematics equation, the angular displacement of the particle is,…

Q: A heavy turntable, used for rotating large objects, is a solid cylindrical wheel that can rotate…

A: Given:radius of the wheel (r) = 0.330 mmagnitude of tangential force (F) = 200 Nangular acceleration…

Q: A disk of radius r = 87.5 cm and rotational inertia, about the disk axis on which it is fixed, is…

A: Write a given values of this question. r=87.5cm=0.875mI=3.1kgm2F=24.9N

Q: A 1800 kg solid disc with radius 0.3 m is at rest when a 140_m-N torque is applied to the wheel. How…

A: Given: mass of solid disc, M = 1800 kg radius of disc, R = 0.3 m Torque applied, τ = 140 Nm initial…

Q: A wheel rotates with a constant angular acceleration of 3.5 rad/s^2. If the angular velocity of the…

A: Constant angular acceleration of the wheel is α = 3.5 rad/s² At t = 0 , angular velocity of the…

Q: A cylinder (Iem = M R² /2) with mass 2.50 [kg] and radius R =1.25 (m] experiences a net torque of…

A: Given data: The mass of cylinder is m=2.5 kg. The radius of cylinder is R=1.25 m. The net torque on…

Q: A millstone is spinning with an angular speed of 16.0 rad/s. Within 8.0 seconds the angular speed is…

A: Given data: Initial angular speed ωi=16 rad/s Final angular speedωf=24 rad/s Time (t) = 8 sec Need…

Q: A tire rolls from rest to an angular velocity of 4 radians per second. The angle it turns through…

A: Given data The initial angular velocity is ωo=0 rad/s The final angular velocity is ω=4 rad/s The…

Q: A heavy turntable, used for rotating large objects, is a solid cylindrical wheel that can rotate…

A: (given) Radius (r) of the wheel = 0.330 m Tangential force (F) = 300 N Angular acceleration (α) =…

Q: You stepped on the edge of a bicycle wheel (radius 0.622 m) to make it slow down. If you pressed…

A: Radius of wheel, r=0.622m Normal reaction, R=10N Coefficient of friction, μ=0.462 Let torque be τ.

Q: The rotational inertia of a disk about its axis is 0.70 kg-m?. What will be the rotational inertia…

Q: A CD originally spinning at 34.0 rad/s (325 rpm) slows down uniformly until it comes to a full stop…

A: Initial angular velocity = 34.0 rad/s Final angular velocity = 0 rad/s Time taken, t = 5 s

Q: The moment of inertia of a wheel is 10 kg.m^2. The wheel starts from rest and accelerates under the…

A: Angular acceleration for the given case is τ=Iαα=τI=3 Nm10 kgm2=0.3 rad/s2

Q: A bicycle wheel has an initial angular velocity of 2.30 rad/s. (a) If its angular acceleration is…

A: A bicycle wheel has an initial angular velocity of 2.30 rad/s. (a) If its angular acceleration is…

Q: A disk of radius r= 89.9 cm and rotational inertia, about the disk axis on which it is fixed, is 6.4…

A: Given Data : The radius of the circular disc is given as r=89.9 cm1m100cm=0.899 m The rotational…

Q: A force of 16.88N is applied tangentially to a wheel of radius 0.340 m and causes an angular…

A: Given data: Force (F) = 16.88 N Angle (θ) = 90° Radius (r) = 0.340 m Angular acceleration (α) = 1.20…

Q: A ballet student with her arms and a leg extended spins with an initial rotational speed of 2.0…

Q: A solid cylinder of mass 10 kg rotates about an axle through its center O. A force F1 = 5.0 N is…

Q: A fan is turned off, and its angular speed decreases from 10.0 rad/s to 6.3 rad/s in 5.0 s. What is…

A: Given data: Initial angular velocity (ωi) = 10.0 rad/s Final angular velocity (ωf) = 6.3 rad/s Time…

Q: A 400 kg solid metal disk (with uniform density) has several forces applied to it, as shown. If the…

A: Net torque acting on the solid metal disk is τnet=r1F1+r2F2-r3F3=0.5 m×18 N+1.0 m×15 N-0.5 m×20 N=14…

Q: A hollow sphere has a mass of 15 kg, an inner radius of 12 cm and an outer radius of 18 cm. What is…

A: To find out the rotation inertia of the sphere passing through its centre.

Q: A wheel is rotating at an angular speed of 2.0 radians/s. How much torque is needed to accelerate it…

A: Given,

Q: A motor spins a disk (Idisk = 25.5 kg*m2) with a torque of 39 N*m, and a 18 N frictional force acts…

A: Given,Idisk = 25.5Kg.m2Torque = T = 39NmFrictional force F = 18Nradius of disk r = 1.4mattached disk…

Q: A wheel on a shaft is initially at rest, when a motor starts to supply constant torque. The wheel…

A: Rotational inertia I = 20.4 Kg m2 No of revolutions N = 3 full revolutions…

Q: During the launch from a board, a diver's angular speed about her center of mass changes from zero…

A: Given data: ωi=0ωf=6.9 rad/sTimr (t) = 310 msI=12 kg.m2 Need to determine the magnitude of the…

Q: A flywheel starts from rest and accelerates with angular acceleration 3 rad/s2. How long does it…

Q: Suppose a flywheel originally has an angular velocity of 45.0 rad/s in the counterclockwise sense.…

Q: 3. A solid cylinder of mass 10.0 kg and diameter 40.0 cm is rotating about an axle through its…

Q: 275 g, block 2 has mass m2 Q: In Figure, block 1 has mass m1 which is mounted on a horizontal axel…

Q: During a certain time interval, the angular position of a swinging door is described by 0 = 4.94…

Q: A cylinder with rotational inertia I1 = 2.0 kg · m2 rotates clockwise about a vertical axis through…

A: since both cylinder rotate with same axis, the angular speed of combination is I=I1+I2=2+1kgm2=3…

Q: acceleration it turns at a rate of 2.00 ✕ 104 rev/min. (a) Find the drill's angular acceleration.…

Q: A mass hangs by a massless string that is wound around a solid circular pulley of radius 20 cm.…

A: Kinematic equation θ=ω0t+12αt2 Block released from rest and pulley goes through three complete…

Q: You stepped on the edge of a bicycle wheel (radius 0.622 m) to make it slow down. If you pressed…

A: Normal force, R=10N Radius of wheel, r=0.622m Coefficient of friction, μ=0.462 Let the torque be τ.

Q: A solid disk of mass m= 4 kg and radius R= 0.1 m is rotating about its central axis with a constant…

Q: A disk with rotational inertia of 0.25 kg · m? and radius 0.24 m rotates about a frictionless axis…

Q: Frictional torque causes a disk to decelerate from an angular speed of 4.10 rad/s at t = 0 to…

A: Equation of angular velocity at time t is as follows; ω=ω0e-bt…

Q: A figure skater rotating at 50.00 rad/s with arms extended has a moment of inertia of 4.5 kg. m^2.…

A: Given: A figure skater rotating at speed ω = 50rads Moment of inertia with extended arms I = 4.5…

Q: A disk has a moment of inertia of 3.0 X 10-4 kg.m2 and rotates with an angular speed of 9 rev/sec.…

Q: A cylinder with rotational inertia I1 = 3.4 kg · m2 rotates clockwise about a vertical axis through…

A: Rotational inertia of first cylinder (I1) = 3.4 kg-m2Rotational inertia of second cylinder (I2) =…

Q: A wheel (radius = 0.20 m) starts from rest and rotates with a constant angular acceleration of 2.0…

Q: A motor spins a disk (Idisk = 25.5 kg*m2) with a torque of 39 N*m, and a 18 N frictional force acts…

Q: bject in rotational motion. Given that the angular position= 5t^2 + 5t rad. What is the angular…

A: Given that the angular positionθ= 5t2 + 5t rad The angular velocity at t= 2.5 s is Angular velocity…

Q: A 0.30 m radius flywheel starts at rest and begins to rotate with a constant angular acceleration of…

Q: A dentist's drill starts from rest. After 3.50 s of constant angular acceleration, it turns at a…

A: Initial angular velocity "wi"= 0 rev/min final angular velocity "wf"= 2.49×10^⁴ rev/min time taken…

Question

100%

T3.26 Please help me answer this physics question.

A disk with a rotational inertia of 4.0 kg.m2 and a radius of 0.40 m rotates on a frictionless fixed axis perpendicular to the disk faces and
through its center. A force of 7.0 N is applied tangentially to the rim. The angular acceleration of the disk is:
0.7 rad/s2
0.4 rad/s2
2.8 rad/s2
70 rad/s2

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

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

The propeller of an aircraft accelerates from rest with an angular acceleration = 4t + 6, where is in rad/s2 and t isin seconds. What is the angle in radians through which thepropeller rotates from t = 1.00 s to t = 6.00 s?
A disk 8.00 cm in radius rotates at a constant rate of 1200 rev/min about its central axis. Determine (a) its angular speed in radians per second, (b) the tangential speed at a point 3.00 cm from its center, (c) the radial acceleration of a point on the rim, and (d) the total distance a point on the rim moves in 2.00 s.
A shaft is turning at 65.0 rad/s at time t = 0. Thereafter, its angular acceleration is given by =10.05.00t where is in rad/s2 and t is in seconds. (a) Find the angular speed of the shaft at t = 3.00 s. (b) Through what angle does it turn between t = 0 and t = 3.00 s?
A turntable (disk) of radius r = 26.0 cm and rotational inertia0.400 kg m2 rotates with an angular speed of 3.00 rad/s arounda frictionless, vertical axle. A wad of clay of mass m =0.250 kg drops onto and sticks to the edge of the turntable.What is the new angular speed of the turntable?
Find the net torque on the wheel in Figure P10.23 about the axle through O, taking a = 10.0 cm and b = 25.0 cm. Figure P10.23
The combination of an applied force and a friction force produces a constant total torque of 36.0 N m on a wheel rotating about a fixed axis. The applied force acts for 6.00 s. During this time, the angular speed of the wheel increases from 0 to 10.0 rad/s. The applied force is then removed, and the wheel comes to rest in 60.0 s. Find (a) the moment of inertia of the wheel, (b) the magnitude of the torque due to friction, and (c) the total number of revolutions of the wheel during the entire interval of 66.0 s.
In testing an automobile tire for proper alignment, a technicianmarks a spot on the tire 0.200 m from the center. He then mountsthe tire in a vertical plane and notes that the radius vector to thespot is at an angle of 35.0 with the horizontal. Starting from rest,the tire is spun rapidly with a constant angular acceleration of 3.00 rad/s2. a. What is the angular speed of the wheel after 4.00 s? b. What is the tangential speed of the spot after 4.00 s? c. What is the magnitude of the total accleration of the spot after 4.00 s?" d. What is the angular position of the spot after 4.00 s?
A rope of negligible mass is wrapped around a 225 kg solid cylinder of radius 0.400 m. The cylinder is suspended several meters off the ground with its axis oriented horizontally, and turns on that axis without friction, (a) If a 75.0-kg man takes hold of the free end of the rope and falls under the force of gravity, what is his acceleration? (b) What is the angular acceleration of the cylinder? (c) if the mass of the rope were not neglected, what would happen to the angular acceleration of the cylinder as the man falls?
A 12.0-kg solid sphere of radius 1.50 m is being rotated by applying a constant tangential force of 10.0 N at a perpendicular distance of 1.50 m from the rotation axis through the center of the sphere. If the sphere is initially at rest, how many revolutions must the sphere go through while this force is applied before it reaches an angular speed of 30.0 rad/s?
Why is the following situation impossible? Starting from rest, a disk rotates around a fixed axis through an angle of 50.0 rad in a time interval of 10.0 s. The angular acceleration of the disk is constant during the entire motion, and its final angular speed is 8.00 rad/s.
The uniform thin rod in Figure P8.47 has mass M = 3.50 kg and length L = 1.00 m and is free to rotate on a friction less pin. At the instant the rod is released from rest in the horizontal position, find the magnitude of (a) the rods angular acceleration, (b) the tangential acceleration of the rods center of mass, and (c) the tangential acceleration of the rods free end. Figure P8.47 Problems 47 and 86.
The angular speed of a wheel is given by (t) = 72.5 rad/s + (9.34 rad /s2) t. a. Is the wheels angular acceleration constant? Explain. b. Find an expression for the angular acceleration.