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A uniform, solid metal disk of mass 6.10 and diameter 29.0 hangs in a horizontal plane, supported at its center by a vertical metal wire. You find that it requires a horizontal force of 4.20tangent to the rim of the disk to turn it by 3.31, thus twisting the wire. You now remove this force and release the disk from rest.
A) What is the torsion constant for the metal wire?
B) What is the frequency of the torsional oscillations of the disk?
C) What is the period of the torsional oscillations of the disk?
in its daily prow of the neighborhood a cat makes a displacement of 100m due north followed by an 80m displacement east. what is the magnitude and direction of the velocity
When the magnetic flux through a single loop of wire increases by 30 Tm^2, an average current of 40 A is induced in the wire. over what period of time did the flux increase
The position of an object as a function of time is given by x = At2 - Bt + C, Find the instantaneous velocity and acceleration as functions of time
A violet bulb uniformly emits monochromatic light of wavelenght 400nm. If it emits 10^23 photons in a hour, and it is 20% efficient, what is the watt rating of the bulb ?
A 3.4-m-tall, 40-cm-diameter concrete column supports a 2.0×105kg load, By how much is the column compressed
A mass spectrometer applies a voltage of 2.00 kV to accelerate a singly charged positive ion. What is the mass of the ion
What is the velocity of a beam of electrons that goes undeflected when moving perpendicular to an electric and magnetic fields
A charge of 15.0 uC is plaed at the center of a cube. Each side of the cube has an area of 4.50 cm^2 calculate The total electric flux passing through the surface of the cube
find the force exerted by the rope on the bucket. A metallic object is given the negative charge by the process of induction. What happens to object's mass.
The coil of a generator has a radius of 0.16 m. When this coil is unwound, the wire from which it is made has a length of 5.8 m. What is the peak emf of this generator
q1. what will be the equilibrium temperature when a 223 g block of copper at 258 c is placed in the 178 g aluminium
Two identical cars (m = 1350 kg) are traveling at the same speed of 28.0 m/s. estimate the magnitude of the total momentum of the two cars
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