A potter's wheel having a radius 0.49 m and a moment of inertia of 12.6 kg · m2 is rotating freely at 47 rev/min. The potter can stop the wheel in 4.0 s by pressing a wet rag against the rim and exerting a radially inward force of 71 N. Find the effective coefficient of kinetic friction between the wheel and the wet rag.

Q: The wheels of a wagon can be approximated as the combination of a thin outer hoop, of radius m =…

A: The rotation inertia of the loop,

Q: A solid cylinder of radius 0.300 [m] is wrapped with a massless string. Holding the free end of the…

A: Answer  5.08 rad/s^2

Q: A mass m = 3.8 kg is connected, as shown, by a light cord to a mass M = 3.3 kg, which slides on a…

A:

Q: A solid cylinder has a mass 2.45kg and a radius 0.746 m. What is its moment of inertia (in unit of…

A: The formula for the moment of inertia when a solid cylinder is rotating about its central axis is:

Q: In the figure, a constant horizontal force F→app of magnitude 6.5 N is applied to a wheel of mass…

A: Given data;Horizontal force, Fapp = 6.5 NMass of the wheel. m = 6.1 kgRadius of the wheel, R = 0.52…

Q: A runner of mass 53.0 kg runs around the edge of a horizontal turntable mounted on a vertical,…

A:

Q: Two disks are mounted (like a merry-go-round) on low-friction bearings on the same axle and can be…

A:

Q: A wheel of radius 0.177 m is mounted on a frictionless horizontal axis. The rotational inertia of…

A:

Q: A wheel 4 m in diameter rotates on a fixed frictionless horizontal axis, about which its moment of…

A: Given: diameter of wheel, D = 4 m moment of inertia of wheel, I = 10 kg.m2  constant force, F = 40 N…

Q: A wheel of radius 0.164 m, which is moving initially at 54.8 m/s, rolls to a stop in 266 m.…

A: Given: radius of the wheel, R=0.164 m Initial linear velocity, u=54.8 m/s total displacement before…

Q: Find the required angular speed of an ultracentrifuge for the radial acceleration of a point 2.70 cm…

A:

Q: Two buckets of mass m1 = 20.5 kg and m2 = 12.7 kg are attached to the ends of a massless rope, which…

A: Draw the free-body diagram of the system.

Q: The figure shows a model for the motion of the human forearm in throwing a dart. Because of the…

A: Given,Moment of inertia, I = 0.065 kg.m2tangential speed of the dard, vf = 3.6 m/stime taken, t =…

Q: A girl pushes on a large wine barrel, which has a radius of 0.259 m and moment of inertia of 146 kg…

A: Given,

Q: A solid disk of moment of inertia 0.563 kg m2 is spinning about its center of mass at a rate of 10.5…

A:

Q: A potter's wheel having a radius 0.45 m and a moment of inertia of 13.2 kg. m² is rotating freely at…

A: Given:Radius, r = 0.45 mmoment of inertia, I =13.2 kg m2angular speed, ω = 48 revmin×160revs…

Q: A uniform, solid sphere of radius 2.00 cm2.00 cm and mass 3.00 kg3.00 kg starts with a purely…

A: Solution: Given that radius r = 2 cm mass m= 3 kg v1 = 3.75 m/s length L = 1.25 m angle = 24.0∘

Q: Two buckets of mass m1=19.3 kg and m2=10.9 kg are attached to the ends of a massless rope which…

A:

Q: Two blocks of mass ma=8.9kg and mg=8.3kg are attached to the ends of a massless string which passes…

A: Consider the free-body diagram of both the blocks and the pulley as follows.

Q: Each of the double pulleys shown has a centroidal mass moment of inertia of 0.25 Kg.M2 an inner…

A: Given Each of the double pulleys shown has a centroidal mass moment of inertia of 0.25 Kg.M2 an…

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

A: (a) Since we need to calculate the net torque on the lower leg, so we take our system to be lower…

Q: A wheel of radius 0.241 m, which is moving initially at 47.3 m/s, rolls to a stop in 203 m.…

A:

Q: Consider a bowling ball which is tossed down a bowling alley. For this problem, we will consider the…

A:

Q: During a jump to his partner, an aerialist is to make a quadruple somersault lasting a time t = 1.51…

A: Given that the value of time and rotational inertia I 1 and rotational inertia I2.Then We  have to…

Q: A 180-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in…

A: Force required τ=IαFr=IαF=Iαr=mr22ωtr=mrω2t

Q: A wheel of radius 0.262 m, which is moving initially at 32.5 m/s, rolls to a stop in 242 m.…

A: Given: The radius of the wheel is 0.262 m. The initial speed of the wheel is 32.5 m/s. The stopping…

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

A:

Q: A wheel of radius, R = 0.20 m, initially at rest is mounted on a frictionless, horizontal axis. A…

A:

Q: Two blocks of mass ma=9.8kg and mg=7.4kg are attached to the ends of a massless string which passes…

A: Given data: Mass of the block , m1 = 9.8 kg Mass of the block m2 = 7.4 kg Coefficient of friction Uk…

Q: A wheel of radius 0.136 m is mounted on a frictionless horizontal axle. The rotational inertia of…

A: Solution: Given: r = radius of wheel = 0.136 m I = rotational inertia of wheel = 0.051 kg.m2 m1 =…

Q: A wheel of radius 0.427 m is mounted on a frictionless horizontal axis. The rotational inertia of…

A: From Newton’s second law of motion, the force equation for the system is:

Q: A potter's wheel having a radius 0.52 m and a moment of inertia of 11.3 kg · m2 is rotating freely…

A: The given values are, r=0.52 mI=11.3 kg·m2ω=53 rev/min=53 rev/min2π rad1 rev1 min60 s=5.55…

Q: A 235-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in…

A: Given,

Q: A disc of radius R = 2 m has a moment of inertia | = 250 kg.m2 and is rotating at 10 rev/min about a…

A:

Q: An object of mass  m1 = 4.80 kg  is connected by a light cord to an object of mass  m2 = 3.00 kg…

A: let a is the acceleration of the objects and alfa is the angular acceleration of the pulley. net…

Q: A system consists of a disk of mass 2.0 kg and radius 50 cm upon which is mounted an annular…

A:

Q: An electric motor rotating a workshop grinding wheelat 1.00 x 10^2 rev/min is switched off. Assume…

A:

Q: A 240-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in…

A:

Q: Two disks are mounted (like a merry-go-round) on low-friction bearings on the same axle and can be…

A:

Q: A 195-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in…

A:

Q: Yo-Yo man releases a yo-yo from rest and allows it to drop, as he keeps the topend of the string…

A:

Q: A wheel of radius 0.447 m is mounted on a frictionless horizontal axis. The rotational inertia of…

A:

Q: A student sits on a freely rotating stool holding two dumbbells, each of mass 3.00 kg. When his arms…

A: We know that since there is no external force applied, So angular momentum of student will remain…

Q: A flywheel is a mechanical device used to store rotational kinetic energy for later use. Consider a…

A: Moment of inertia is given by, I=12mr2 where m=mass and r=radius of flywheel For flywheel with r1…

Q: Awheel of radius 0.297 m, which is moving initially at 44.7 m/s, rolls to a stop in 262 m. Calculate…

A:

Q: Consider a bowling ball which is tossed down a bowling alley. For this problem, we will consider the…

A: We need to use the rotational version of Newton’s second law to find an expression for the angular…

Q: = 3.00 kg on a frictionless surface (see figure). The pulley rotates about a frictionless axle and…

A:

Q: A rope is wound on a pulley with a radius of 0.50 m and a moment of inertia of 0.375 kg m2, which is…

A: