A figure skater with rotational inertia Iskater is spinning with angular speed ω. She pulls her arms in, decreasing her rotational inertia to one-third its original value. Her new angular speed is ____ . Select one: a. 3–√3ω  b. ω3–√3  c. 3ω  d. ω/3

Q: A wheel is rotating freely at angular speed 890 rev/min on a shaft whose rotational inertia is…

A: Part A. Use conservation of angular momentum  as follows: Total initial angular momentum = Total…

Q: h the figure, two particles, each with mass m = 0.79 kg, are fastened to each other, and to a…

A:

Q: Each of three helicopter rotor blades is 5.20 m long and has a mass of 221 kg. The rotor is rotating…

A:

Q: A wheel turns with a constant angular acceleration of 0.660 rad/s^2 Part A How much time does it…

A: Given that   angular acceleration = 0.660 rad/s2 part A ---  angular velocity = 7.00 rad/srad/s…

Q: The figure gives angular speed versus time for a thin rod that rotates around one end. (a) What is…

A:

Q: A person is riding a bicycle, and its wheels have an angular velocity of 16.4 rad/s. Then, the…

A:

Q: A person is riding a bicycle, and its wheels have an angular velocity of 23.1 rad/s. Then, the…

A: Given that, Initial angular velocity, ωi=23.1 rad/s Final angular velocity, ωf=0 The angular…

Q: A body of radius R and mass m is rolling smoothly with speed v on a horizontal surface. It then…

A:

Q: The figure gives angular speed versus time for a thin rod that rotates around one end. (a) What is…

A:

Q: A figure skater begins to spin in an angular speed w about a vertical axis with her arms…

A: Given : Initial angular speed of the skater = ω Initial Moment of inertia of the skater = I Final…

Q: A thin cylindrical ring starts from rest at a height h1 = 76 m. The ring has a radius R = 24 cm and…

A:

Q: A constant torque is applied to a wheel whose moment of inertia is 4.0kg m2 around the axis of…

A:

Q: A merry‐go‐round starts from rest and accelerates with angular acceleration 0.010 rad/A…

A: Given: The angular acceleration of the merry go round is 0.010 rad/s2. The time for acceleration is…

Q: A horizontal disk of radius 0.6 m rotates freely about a vertical axis through its center with an…

A:

Q: Two children sit on a Merry-Go-Round in an amusement park. Child 1 sits in a seat that is closer to…

A: SOlution: to discuss on the linear and angular speed of the two child

Q: In the figure, two thin uniform rods, with mass m=2.00 kg, L=1.50 m; and twouniform spheres, with…

A:

Q: A person is riding a bicycle, and its wheels have an angular velocity of 16.6 rad/s. Then, the…

A:

Q: A thin, cylindrical rod e = 27.6 cm long with a mass m = 1.20 kg has a ball of diameter d = 10.00 cm…

A: Dear student, this question contains more than three sub-parts. As per guide lines we will answer…

Q: A disk of mass M and radius R is rolling without slipping across a level floor with a linear speed…

A: Translational kinetic energy is calculated as, K=12mv2 Also angular velocity, ω=vR It is required to…

Q: A person is riding a bicycle, and its wheels have an angular velocity of 18.2 rad/s. Then, the…

A:

Q: A grindstone increases in angular speed from 4.00 rad/s to 12.00 rad/s in 3.00 s. (a) How many…

A: Given: The intial angular speed is 4 rad/s. The final angular speed is 12 rad/s. The time interval…

Q: (a) If the yo-yo’s moment of inertia is increased, does the final linear speed increase, decrease,…

A: Moment of inertia

Q: What is the rotational kinetic energy of a 2.00kg wheel that has a radius of 0.350m when rotating at…

A: Correct Answer: Option (A) i.e. 885 J

Q: Two uniform solid cylinders, each rotating about its central (longitudinal) axis, have the same mass…

A:

Q: a thin uniform rod (mass 3.0 kg, length 4.0 m) rotates freely about a horizontal axis A that is…

A:

Q: 54. A cylinder with rotational inertia 11=2.0kg m2 rotates clockwise about a vertical axis through…

A: Given: I1 = 2.0 kg.m2ω1 = +5.0 rad/s(clockwise)I2 = 1.0 kg.m2ω2 =- 8.0 rad/s(counterclockwise)

Q: 2) A potter's wheel is uniform circular disk of mass 45.00kg and radius 0.450m. A electric motor…

A:

Q: The angular position of a point on a rotating wheel is given by e = 5.85 + 4.92t2? + 2.79t°, where e…

A: As per the guidelines of bartleby, we're allowed to solve a maximum of 3 sub parts of a question.…

Q: The figure gives angular speed versus time for a thin rod that rotates around one end. (a) What is…

A: a)Slope of graph will give the angular acceleration.Angular acceleration is,

Q: In the figure, a 7.42 g bullet is fıred into a 0.531 kg block attached to the end of a 0.914 m…

A: Given data- Mass of bullet m=7.42 g=0.00742 kg Mass of block M=0.531 kg Length of rod r=0.914 m Mass…

Q: A sphere of radius r = 24.5cm and mass = 1.20 kg  starts from rest and rolls without slipping down a…

A: The gravitational potential energy is converted into translational kinetic energy and rotational…

Q: I need some help with this question

A: Since you have asked question with multiple sub parts, we will solve the first three sub parts for…

Q: A bowling ball of mass MMM and radius r0r0r_0 is thrown along a level surface so that initially (ttt…

A: given: Mass = M. Radius = r0 , let it be R.  initial liner speed = v0

Q: The figure gives angular speed versus time for a thin rod that rotates around one end. (a) What is…

A: Given: The graph between angular speed and time is given.Find: (a) Magnitude of the rod's angular…

Q: A figure skater begins her scratch spin on frictionless ice under negligible drag with a rotational…

A:

Q: A hollow sphere of radius 0.15 m, with rotational inertia I  0.040 kg m2 about a line through its…

A:

Q: A 5.0kg hoop 1m in diameter rolls down an inclined plane of 10m long that is at an angle of 15…

A:

Q: An automobile traveling 85.0 km/h has tires of 78.0 cm diameter. (a) What is the angular speed of…

A: a) Write the expression for the angular speed of the tires.

Q: m1 m, An Atwood's machine consists of two weights, m, = 3.9 kg and m2 = 2 kg, connected by a by a…

A:

Q: The angular position of a point on a rotating wheel is given by 0 = 2.48 + 8.53t2 + 1.04t°, where e…

A:

Q: A disk with an initial angular velocity ω0 = 6.5 rad/s experiences a constant angular acceleration…

A: Given data: The initial angular velocity is ω0 = 6.5 rad/s. The angular acceleration is α = 5.5…

Q: A section of hollow pipe and a solid cylinder have the same radius,mass and length. They both rotate…

A: An object’s rotational kinetic energy can be represented as, Here, I and ω represent the object’s…

Q: You drop a disc of rotational inertia I1 onto a second disc of rotational inertia I2. The second…

A: Given, Moment of inertias,I1,I2 Initial angular speed of second disc,ω2 Initial angular speed of…

Q: wheel has a radius of 0.1m and a moment of inertia of 4.00 kg-m2 starts from rest and accelerates…

A:

Q: A merry-go-round modeled as a disk of mass M = 7.50 x 10- kg and radius R = 2.10 m is rotating in a…

A: