Two ladybugs are riding on a turntable as it rotates at 15 rpm as shown in. Part A What is the period of the turntable? Express your answer with the appropriate units. ► View Available Hint(s) T= μA Value Units ? 10 cm 10 cm 11

Q: The wheel on a grinder is a uniform disk of 8 cm radius and has a mass of 0.9 kg. It coasts to rest…

A: given: mass= 0.9 kg time, t=35 sec

Q: The 9.50-cmcm-long second hand on a watch rotates smoothly. What is its angular speed? What is the…

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Q: Two window washers, Bob and Joe, are on a 3.00-m-long, 310-N scaffold supported by two cables…

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Q: A solid ball of mass 6 kg, rolls down a hill that is 9 meters high. What is the rotational KE at the…

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Q: A washing machine turns on and starts from rest. The spin cycle starts and the machine steadily…

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Q: A drum, when rotating at 839 rev/min, has a kinetic energy of 0.56MJ. Find the moment of inertia

A: Solution: Given,   Speedw = 839 rev/minKinetic energyK.E = 0.56 MJ = 0.56 ×106J

Q: The armature of a motor is accelerated uniformly from rest to a rotational velocity of 600 rev/min…

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Q: A diver (such as the one shown in the figure(Figure 1) ) can reduce her moment of inertia by a…

A: We are asked, what is her angular speed (rev/s) when in the straight position? Given: Diver makes 2…

Q: A60 (9.3) Two pulleys (r) = 7.5 cm and r2 5.0 cm) are connected by a drive belt so that each pulley…

A: We will answer the first question since the exact one is not specified. Please resubmit the question…

Q: A 2.5 HP motor operates at 1200 RPM.  How many ft-lbs of torque does it provide at that speed?

A: The power is given by, P=τω Here, τ is the torque and ω is the angular speed. Rearranging the…

Q: A wheel that starts from rest has an angular speed of 20 rad/s after being uniformly accelerated for…

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Q: A vacuum cleaner belt is looped over a shaft of radius 0.42 cmcm and a wheel of radius 1.70 cmcm.…

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Q: researcher places a blob of biomass into a centrifuge and spins it up to 5000 rev per minute.   The…

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Q: A wheel is delivering 400 W of power at 250 rpm. How much torque is needed to turn the wheel? Don't…

A: The given values are,

Q: When a motor slows down from 377 rad/s to 189 rad/s in 5 seconds, it turns through? (in rev)

A: initial angular speed = 377 rad/secfinal angular speed = 189 rad/sectime taken = 5 seconds using…

Q: Consider a person who spins a large grindstone by placing her hand on its edge and exerting a force…

A: It is given that,

Q: A hollow sphere with a mass of 2.1 kg and radius of 0.15 m rolls without slipping down an incline of…

A: Given, mass of hallow sphere m = 2.1 Kg Radius of hallow sphere r = 0.15 m Incline angle θ=35∘…

Q: Two window washers, Bob and Joe, are on a 3.00-m-long, 380-N scaffold supported by two cables…

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Q: a radius of 15 cm rolls without slipping on a horizontal surface at 1.6 m/s. Find its total kinetic…

A: Givenm=3 kgr=15 cmv=1.6 m/s

Q: A wind turbine rotates at 20 rev/min. If its power output is 2.0 MW, what is the torque produced on…

A: Given:             A wind turbine rotates at 20 rev/min             Power output is 2.0 MW…

Q: The speed of a motor increases from 120 rad/s to 180 rad/s in 20.0 seconds. The number of…

A: Given: The initial angular speed is 120 rad/s. The final angular speed is 180 rad/s. The time…

Q: A diver rotates once per second while in midair. If she pulls her legs in, reducing her rotational…

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Q: What is the angular speed of a carousel which operates at 12 rpm

A: Given data N=12 rpm

Q: 22. The World's Fastest Turbine The drill used by most dentists today is powered by a small air…

A: Initial angular velocity, Final angular velocity, Using the first equation of motion,

Q: 5. Calculate the centrifugal acceleration (xg, i.e times the force of gravity) experienced by a…

A: Given data-  A particle which is located a distance from the Axis of rotation r=12.5 cm  Rotor is…

Q: A dental drill takes 4.2 s to go from rest to its operating angular speed of 183688 rpm. Through…

A: The time taken by the dental drill to go its operating speed is 4.2 s. The angular speed of the…

Q: A skater pulls in her arms, decreasing her moment of inertia by a factor of two, and doubling her…

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Q: The speed of a motor increases from 120 rad/s to 180 rad/s in 20.0 seconds. How many revolutions…

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Q: of a system depends on how the is distributed and on the location of the axis of rotation. angle the…

A: Axis of rotation is the axis about which an object rotates.

Q: sometimes we need printers to do stuff for us which is very helpful. let's say a history teacher is…

A: Given: The angle turns at an angle θ=At2-Bt3. The allowable value of A is 2.50±0.07 rads2. The…

Q: e linear speed of point 12.5 cm from the a

A: Given values:- Distance from the axis,(r)=12.5 cm=0.125 m ------(1) Spin rate,(N)=39 rev/min=0.65…

Q: fter being turned on, a turntable reaches its rated angular speed of 15.5 rpm in a time of 14.57 s.…

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Q: A torque acting on a rotary body fixed in place tends to produce   Group of answer choices…

A: Torque is defined as a measure of the force that produces rotation of an object about an axis.

Q: A pulley with radius of 12 cm pulls a chain as it rotates. If the chain is moving at 4.2 cm per…

A: We know, The relationship between angular velocity (ω) and linear velocity (v) of particle in…

Q: A 20-kg sphere 0.05 m in radius starts from rest and rolls (without slipping) 8.0 m down a ramp that…

A: Given that mass of the sphere m=20kg Radius R= 0.05m.  Also the sphere is pure rolling (no slipping)…

Q: On a rotating turntable, does rotational speed vary with the distance from the center?

A: Rotational speed of an object rotating around an axis is the number of turns of the object divided…

Q: You find a long silver metal rod with a circular cross-section and you measure its cross-section…

A: Diameter of circular Cross-section rod = 1 mm  Current flowing through rod (I) = 2 A  Free electron…

Q: An electric fan spinning with an angular speed of 12 rad/srad/s has a kinetic energy of 4.1 J .

A: Given: angular speed ω =12 rad/s kinetic energy K =4.1 J

Q: A 34.0 kg wheel, essentially a thin hoop with radius 1.20 m, is rotating at 240 rpm. It must be…

A: Write the given values with suitable variables. m=34 kgr=1.2 mNi=240 rpmNf=0t=18 s Here, m, r, Ni,…

Q: 3 1. An object with a moment of inertia, mr² rolls without slipping down a 35 degree incline a…

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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.