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In a physics lab experiment for the determination of moment of inertia, a team weighs an object and finds a mass of 3.38 kg. They then hang the object on a pivot located 0.164 m from the object\'s center of mass and set it swinging at a small amplitude. As two of the team members carefully count 107 cycles of oscillation, the third member measures a duration of 251 s. What is the moment of inertia of the object with respect to its center of mass about an axis parallel to the pivot axis?
De Broglie postulated that the relationship ? = h/p is valid for relativistic particles. What is the de Broglie wavelength for a (relativistic) electron
The maximum torque experienced by a coil in a 0.85 T magnetic field is 8.4 10-4 N · m. What is the length of the wire from which the coil is made
Find the angular velocity of a centrifuge in which a particle 10 cm from the axis of rotation experiences a radial acceleration of 10^3 times g
The core of an optical fiber has an index of refraction of 1.27, What is the critical angle for total internal reflection at the core-cladding interface
Certain rifles can fire a bullet with a speed of 950 m/s just as it leaves the muzzle (this speed is called the muzzle velocity). What is the acceleration of the bullet within the rifle
what is the ratio of the amplitude of damped oscillations.
An LCR circuit contains a resistor with R = 450 ? and a capacitor with C = 3,500 ?F. If the resonant frequency is 30 kHz, what is the value of the inductance
Copper wire has a breaking stress of about 3×10^8 N/m2. What is the highest load that can be hung from a copper wire of diameter 0.420 mm.
In the model of the hydrogen atom created by Niels Bohr, the electron moves around the proton at a speed of 2.20 106 m/s in a circle of radius 5.30 10-11 m. determine the magnetic moment associated with this motion
A 130g oscillator has a speed of 124cm/s when its displacement is 2.10cm, What is the oscillator's maximum speed
In the figure a small, nonconducting ball of mass m = 1.0 mg and charge q = 1.7 x 10-8 C, calculate the surface charge density of the sheet
The power required by an ice maker is 225 W and is the rate at which it does work. determine the maximum amount of ice the unit can produce in one day
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