A 4.0 kg, 36-cm-diameter metal disk, initially at rest, can rotate on an axle along its axis. A steady 6.5 N tangential force is applied to the edge of the disk.  What is the disk's angular velocity, in rpm, 4.0 s later?

Q: A 85.6 g drink is left on a turntable causing it to turn with an angular speed of 8.20 rad/s. If the…

A: Normal reaction acting on the drink is:

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

A:

Q: An 7.00-cm-diameter, 370 g hollow sphere is released from rest at the top of a 1.90-m-long, 20.0*…

A:

Q: A flywheel has a mass of 5 kg and is 1.2 m in diameter. If its angular momentum is 4.5 kg∙m2 s ,…

A: Given, mass of the flywheel, m = 5 kg diameter of the flywheel, d = 1.2 m angular momentum, L = 4.5…

Q: A torque 151 N m is applied to the centrifuge to increase its angular velocity to 3500 rev/min in 45…

A: Angular acceleration is,

Q: A ball is attached to a string and rotates in a circle. If it takes 1.00 s to complete one…

A:

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

A:

Q: A torque of 12 N · m is applied to a solid, uniform disk of radius 0.50 m. If the disk accelerates…

A: Given: Torque,τ = 12 N Radius of the uniform disk, r = 0.50 m Angular acceleration, α= 2.8 rad/s2…

Q: A wheel rotates at a constant rate of 3.60 x 10 rev/min. (a) What is its angular velocity in radians…

A: Given N=3.60×103 rev/min time t=18s

Q: 6. Find the translational acceleration and angular acceleration of the masses in the system. I3 mį…

A: Analyze the free body diagram of the given system. Note: Consider the upward direction to be…

Q: A sphere (M = 40 kg; R = 2m) is rolling without slipping. When it gets to an incline it goes up 2…

A: Mass = 40 kg R = 2 m H = 2 m

Q: A 0.13 m radius grinding wheel takes 1.3 s to speed up from 2.9 rad/s to 7.2 rad/s. What is the…

A:

Q: The angular position of a point on a rotating wheel is given by 0 = 2.4 + 3.7t2 + 2.1t3, where 0 is…

A: Given that:- Angular position of a point=2.4+3.7t^2+2.1t^3

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

A:

Q: A grinding wheel, initially at rest, is rotated with constant angular acceleration α = 7.0 rad/s^2…

A:

Q: During a very quick stop, a car deceleraes at 7.00 m/s^2. a. What is the angular acceleration of…

A:

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: The expression for the angular acceleration,

Q: Consider the system of particles that are connected by rigid rods of negligible mass. If the system…

A:

Q: A 16-kg block is attached to a cord that is wrapped around the rim of a flywheel of diameter 0.40 m…

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

Q: An airplane propeller rotates with an angular speed of 312 rad/s through what angle does the…

A: Given data: ω=312 rad/st=4.3 s Need to determine the angle does the propeller rotate in 4.3 seconds.

Q: A rotating table, with moment of inertia 29 kg·m2, is spinning at 40 rpm. A piece of clay is dropped…

A:

Q: A compact disk of diameter 8 cm starts from rest and speeds up uniformly to 2 rev/s in 4.0 seconds.…

A:

Q: An optical disk drive in your computer can spin a disk up to 10,000 rpm (about 1045 rad/s). If a…

A:

Q: A skater is spinning at 1 rev/s with her arms outstretched so that her moment of inertia is 2.4…

A: If net torque on the system is zero then the angular momentum of the system is conserved. The unit…

Q: A DVD which has a diameter of 12 cm is initially at rest so that the line PQ on the disc’s surface…

A: az=Angular acceleration=5 rad/s2t=Time=0.4 sωi=Initial angular velocity=0ωf=Final angular…

Q: A grinder consists of a 5.34 kg steel block on a 1.87 m long arm that spins around a table. If the…

A: Use the Newton’s second law of motion,

Q: A DVD which has a diameter of 12 cm is initially at rest so that the line PQ on the disc’s surface…

A: Given data *The given diameter of the DVD is d = 12 cm = 0.12 m *The given constant angular…

Q: A centrifuge spins from rest with an angular acceleration of 226 rad/s?. What is the angular speed…

A:

Q: A disc rotates on itself with an initial angular velocity of 20 rad/s. Due to friction, its rotation…

A: Given data:: Initial angular velocity (ωi) = 20 rad/s Final angular velocity (ωf) = 0 rad/s Angular…

Q: 6. A 0.30m radius automobile tire rotates how many rad after starting from rest and accelerating at…

A:

Q: A disk with radius 50.0 [m] rotates at a rate of 1.50[rad/s]. What is the tangential speed at the…

A:

Q: A cylindrical shaped object of mass 5.0 kg and radius 0.25 m is rotating at 11 rad/s. An object is…

A: Moment of inertia of a point particle with mass m at a distance r from the axis of rotation is given…

Q: An optical disk drive in your computer can spin a disk up to 10,000 rpm (about 1045 rad/s1045…

A: Initial angular speed (ω) = 734.1 rad/sec Final angular velocity (ω') = 0 rad/sec time taken (t) =…

Q: A 350-kg disk (with uniform density) is shown below. Its rotation axis is through its center. If the…

A: Mass of the disc (M)=350 kg Final angular velocity of the disc (ω)=25 rad/s Radius of the disc (R)=1…

Q: A Ferris wheel, rotating initially at an angular speed of 0.50 rad/s, accelerates over a 7.0-s…

A:

Q: The tub of a washing machine goes into its spin cycle, starting from rest and gaining angular speed…

A:

Q: A figure skater can increase her spin rotation rate from an initial rate of 1.0 rev every 1.6 s to a…

A: Given Initial rate of rotation n1=1.0 rev in 1.6 s                                n1=0.625…

Q: A compact disk, which has a diameter of 12 cm, speeds up uniformly from 0 to 4 rev/s in 3 seconds.…

A: The radius of the disk is,

Q: A 0.53 m radius grinding wheel takes 1.5 s to speed up from 2.2 rad/s to 6 rad/s. What is the…

A: The average angular acceleration is given by, α = change in angular velocitytime taken

Q: A force of 10 N is applied tangentially to a wheel of radius 0.50 m and causes an angular…

A:

Q: A 500-g wheel that has a moment of inertia of 0.015 kg · m2 is initially turning at 30 rev/s. It…

A:

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.