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You need to design an industrial turntable that is 51.5 centimeter in diameter and has a kinetic energy of 0.240 Joule when turning at 42.0 rpm.
(a) Find what must be the moment of inertia of the turntable about the rotation axis?
(b) If your workshop makes this turntable in the shape of a uniform solid disk, determine what must be its mass?
A mass of 3kg, is sitting on a 34° incline and is connected by a massless string over a pulley in the shape of a hollow cylinder , what is the acceleration of the system
A student proposes to measure the gravitational constant G bysuspending two spherical objects from the ceiling of a tallcathedral and measuring the deflection of the cables from the vertical. what is the separation of the objects
A thin, uniform, metal bar, 3m long and weighing 85 N, is hanging vertically from the ceiling by a frictionless pivot. Find the angular speed of the bar just after the collision
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A 1.5 kilogram block is at rest on a horizontal frictionless surface. The block is attached to a spring that is itself fixed to the wall. Find the speed of the bullet and block just after impact
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A refrigerator has a coefficient of performance of 2.10. Each cycle it absorbs 3.40 104 J of heat from the cold reservoir. How much mechanical energy is required each cycle to operate the refrigerator?
point a is at position 4j -3kcm. point b is at position -3cm k. point c is at position 3i -2j 5k cm. point d is at
in a diagnostic x-ray procedure 5x10^10 photons are absorbed by tissue with a mass of .6 kg. What is the equivalent radiation dose in mrem
two solenoids are nested coaxially such that their magnetic fields point in opposite directions. treat the solenoids as
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