Turntables Solid
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ACOUSTIC RESEARCH AR TURNTABLE, MODEL XA SOLID NATURAL CHERRY BASE & LOGO PLATE | ![]() |
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ACOUSTIC RESEARCH AR TURNTABLE MODEL XB, SOLID MAPLE BASE | ![]() |
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Vintage Sony HP-318 Stereo Music System Solid State BSR Turntable 8 Track AM/FM | ![]() |
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Turntables Solid

I Have a Physics Test Tomorrow and I Cant Figure This Out Help Please?
You need to design an industrial turntable that is 54.0 cm in diameter and has a kinetic energy of 0.230 J when turning at 33.0 rpm (rev/min).
What must be the moment of inertia of the turntable about the rotation axis?
If your workshop makes this turntable in the shape of a uniform solid disk, what must be its mass?
Attempt:
First I converted rev/min to rad/sec
Plugged my angular velocity into 1/2mv^2 and found mass
Plugged my values into the moment of inertia equation
Help Greatly Appreciated!
Why is it you guys never say what answers you got? You obviusly are not sure about rotational and linear kinetic energies.
207.345115 rad/ min = 3.45575192 rad/sec
K =(1/2) I w^2
I = 2K/w^2 = 2( 0.230 J)/(3.45575192 rad/sec)^2
I = 2(192.593985 kg s4 / m2) = 385.2 kg s4 / m2
I = (1/2)MR^2
M = (2 I )/R^2 =2(385.2 )/(0.27)^2= 10567.9012kg
M = 10568 kg
Review the concepts at the source below.
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ACOUSTIC RESEARCH AR TURNTABLE, MODEL XA SOLID NATURAL CHERRY BASE & LOGO PLATE | ![]() |
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US $75.65 | 12d 7h 29m |
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ACOUSTIC RESEARCH AR TURNTABLE MODEL XB, SOLID MAPLE BASE | ![]() |
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US $84.15 | 12d 7h 29m |
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Vintage Sony HP-318 Stereo Music System Solid State BSR Turntable 8 Track AM/FM | ![]() |
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US $119.99 | 4d 11h 51m |
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No items matching your keywords were found.
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Turntable Motor with Solid Brass Pulley VPI Oracle DIY High Quality Option DIY | ![]() |
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Vintage General Electric GE Solid State/Automatic Record Player Turntable CLEAN | ![]() |
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VESTIL Benchtop Turntables - Black $298 VESTIL Benchtop Turntables let you maximize workspace and minimize wasteful motion. Workers can stay in one position and rotate items for access from all sides. More than one person can work on projects without getting in each other’s way. 1/2" steel plate construction. Turntable is topped by a black rubber pad. Easy, smooth rotation won’t jostle delicate parts. Ideal for holding displays, turning units for assembly, welding, spray painting, or repairs. |
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Kuzma Turntable Manufacturing part 2
Oi! How come I ain’t hip no more?
I usedta pride meself on getting down with the kids. I’ve listened to all the wicked movers and shakers in the music biz throughout the decades.
During the 70's Chas and Dave were never off my turntable and in the 80's I had all of Dexys Midnight Runners albums. In the 90's I was more of a Blur geezer than Oasis. A coupla years ago Lady Ann bought me So Solid Crew’s new LP and I loved their bangin tunes.
But lately I’m feeling outta the loop. I keep hearing about these ‘Jonah Brothers’, ‘Miley Vyrus’ and ‘Hannah Bandana’ but I ain’t never heard them singing. I keep waiting for them to turn up on Top Of The Pops or The Old Grey Whistle Test but they ain’t been on yet.
Are they any good?
Oi Braziliant: Ain't you got any patience? That Amstrad of yours is currently being shipped from Taiwan. I'm seeing to it personal. You'll 'ave it by June!
Wot do you expect for 50 quid?!
Sir Alan, you'll always be hip in my eyes!
I'm sure your record player can still heat the room.
I thought you'd be back in the loop now that David Van Day and Timmy Mallett were back. You must have had them round to Sugarham Palace by now.
If you look at the charts right now, all the Christmas songs are doing well so your Perry Como and Wizzard should still warm your cockles...






































