A centrifuge rotor rotating at 9500 rpmrpm is shut off and is eventually brought uniformly to rest by a frictional torque of 2.28 m⋅N If the mass of the rotor is 4.19 kg and it can be approximated as a solid cylinder of radius 0.0490 m , through how many revolutions will the rotor turn before coming to rest? How long will it take?

Q: A 34 cm diameter circular saw blade has a mass of 0.95 kg, distributed uniformly as in a disk. What…

A:

Q: An automobile traveling at 87.7 km/h has tires of 75.0 cm diameter. What is the angular speed of…

A:

Q: through aive beit that Joins a pulley on pulley that is igidly 48.5 kg and a radius R = 0.625 m. It…

A: Moment of inertia of the flywheel will be, I=12mR2 The expression for torque will be, τ=Iατ=12MR2α

Q: A centrifuge has a rotational inertia of 7.30 × 10−3 kg⋅m2. How much energy must be supplied to…

A:

Q: In a circus performance, a large 5.0 kg hoop of radius 3.0 m rolls without slipping. If the hoop is…

A:

Q: A disk has a moment of inertia of 3.0 X 104 kg.m? and rotates with an angular speed of 7.3 rev/sec.…

A:

Q: It begins to rotate around the vertical axis passing through the center of the cd in the horizontal…

A:

Q: A uniform, solid sphere of radius 3.00 cm and mass 2.50 kg starts with a purely translational speed…

A: The law of conservation of energy,

Q: The cable drum has amass of 685 kg with radius of gyration of 440 mm about its center O and is…

A:

Q: please answer

A: Given information: Here, m is the weight’s mass, rw is the distance of the weight from the knee…

Q: The moment of inertia of a body about a given axis is 1-2 kg m. Initialy, the body is at rest. In…

A:

Q: A flywheel of mass 8 tonnes starts from rest, and gets up a speed of 180 r.p.m. in 3 minutes. Find…

A:

Q: A four-wheel vehicle of mass 1000 kg moves uniformly in a straight line with the wheels revolving at…

A: Given data: Vehicle's mass m = 1000 kg angular velocity ω=10 rad/s wheel's radius r = 0.2 m time t =…

Q: A solid cylinder of mass 2.7 kg and radius 0.64 m starts from rest at the top of a ramp, inclined…

A:

Q: A flywheel turns through 57 rev as it slows from an angular speed of 3, 2 rad / s to a stop.…

A: The angular acceleration is,

Q: At what rate, in watts, is the Earth losing rotational kinetic energy due to tidal braking?…

A: Given Data: Rotational K.E, Erot=0.5I⊕ω2 Angular speed, ω=2πP Earth M.I., I⊕=25M⊕R⊕2 Where,…

Q: A solid cylinder of mass 0.6 kg and radius 0.58 m starts from rest at the top of a ramp, inclined…

A: mass of cylinder = 0.6 kg radius = 0.58 m θ = 24omoment of inertia of cylinder = 0.5 mR2h = 2.5 m

Q: Two flywheels having a mass of 50 kg each rotate with the same frequency 360 rev/min. After they…

A: Given information: Here, m is each flywheel’s mass, ωi is each flywheel’s initial angular speed, r…

Q: lley is pulled with a downward force that is notconstant and increases linearly with the angle of…

A: We know that the A string wrapped around the pulley is pulled with downward force F  and it…

Q: Can you help me with this problem. The ones that has the red lines.

A: Rotational Inertia=2.58kg.m² Angular velocity=140×2π/60rad/s Fr second disk, Rotational…

Q: A four-wheel vehicle of mass 1000 kg moves uniformly in a straight line with the wheels revolving…

A:

Q: While exercising in a fitness center, a man lies face down on a bench and lifts a weight with one…

A:

Q: Your answer is partially correct. Two disks are mounted (like a merry-go-round) on low-friction…

A:

Q: A uniform cylinder has mass M = 2.00 kg, radius R = 0.0500 m, and moment of inertia for rotation…

A:

Q: A solid disc and a ring, both of radius 10 cm are placed on a horizontal tablesimultaneously, with…

A:

Q: A 429 kg merr-go-round in the shape of a solid disc is set in motion by applying a force…

A: Given Data : The mass of the merry-go-round is given as m = 429Kg. The radius of the merry-go-round…

Q: A 255-lbr block is suspended from an inextensible cable which is wrapped around a drum of 1.75-ft…

A: Given: The weight of the block is 255-lbf. The radius of the drum is 1.75 ft. The moment of inetia…

Q: A uniform, solid sphere of radius 4.00 cm and mass 4.50 kg starts with a purely translational speed…

A:

Q: A cue ball is struck along a line through its center and parallel to the table. It moves forward…

A: Consider a cue ball (mass m and radius R) is sliding with initial linear speed v0 which is nothing…

Q: A 1450 kg disc with radius 3.0 m is rotating at 1500 rev/min when an 925 m·N braking torque is…

A: Mass of the disc= 1450kgRadius=3mAngular velocity=1500rev/min

Q: The coefficient of static friction between a certain cylinder and a horizontal floor is 0.50. If the…

A: The torque is given by The torque can also be written as

Q: A circular disk has a rotational inertia of 1.4 kg.m? and a constant angular acceleration of 4.4…

A: Given : Rotational inertia of circular disk, I = 1.4 kgm2              Angular acceleration, α = 4.4…

Q: Consider a bicycle wheel to be a ring of radius 30 cm and mass 1.5 kg.  Neglect the mass of the axle…

A: The torque is given by  τ= I α where, I is the moment of inertia and α is the angular acceleration.

Q: A solid cylinder with a mass of (5 kg) and a radius of (0.2 m) (I =12MR2) is initially rolling along…

A:

Q: The 12 kg disk with a radius of 650 mm is rolling while slipping under the constant force of 210 N…

A: Given:Disk mass, m=12 kgdisk radius, r=650 mm or 0.65 mconstant force, F=210 Nradius of gyration,…

Q: please answer

A:

Q: The flywheel of an engine has a moment of inertia 2.50 kg ∙ m2 about its rotation axis. What…

A: The final angular velocity is given by,  ω=ω0+αt Here, ω0 is initial angular velocity and α is…

Q: A uniform, solid sphere of radius 4.75 cm and mass 5.00 kg starts with a purely translational speed…

A: Given Data: The radius of the sphere is, r = 4.75 cm. The mass of the sphere is, m = 5 kg. The…

Q: The flywheel of an engine has moment of inertia 1.10 kg⋅m2 about its rotation axis. What constant…

A: The moment of inertia of the flywheel is 1.10kgm2, and angular velocity is 400 rev/min.Write the…

Q: what vertical height will the ball roll through before it's speed has been cut in half, assuming it…

A: