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Two speakers emit sound of identical amplitude and frequency, in phase with each other. The frequency is 415 Hz. If the speakers are 9.00 meters apart, and you stand on the line directly among them, 3.47 m from one speaker, are you standing closer to a point of constructive or destructive interference? (Use 343 m/s for the speed of sound.)
A small spherical cavity of radius r is made in a large electrics (a dielectric material) of constant polarization P. Neglecting the effects of outer boundaries of the electrets find the electric field at the center of the cavity.
A cyclist turns her bicycle upside down to repair it. She then notices that the front wheel is executing a slow, determine the mass of the valve stem
A bullet with a mass m = 4.83 g and initial speed of 330 m/s passes through a wheel which is initially at rest, What is the angular speed of the wheel just after the bullet leaves it
A 100-? resistor, an inductor and a 3.0-µF capacitor are connected in series with a time varying emf of 10.0 V and frequency 1000 Hz. What is the inductance of the inductor
you are designing a diving bell to withstand the pressure of seawater at a depth of 350 m .part a what is the gauge
A 75 g Frisbee is thrown from a point 1.2 m above the ground with a speed of 14 m/s. find the reduction in Emec of the Frisbee-Earth system
An ideal monatomic gas initially has temperature Ti and pressure pi. It is to expand from volume Vi to volume Vf. If the expansion is isothermal, what are the final pressure and the work done by the gas
A laser beam of unknown wavelength passes through a diffraction grating having 5590lines/cm , At what angle will the next pair of bright spots occur
Suppose you could take out all the electrons and hold them in one hand, If you hold your hands 1.55{\rm m} apart at arms length, what force will each of them feel
A small rubber wheel (radius of 1.90 centimeter) is used to drive a large pottery wheel (radius of 28.00 centimeter), find the angular acceleration of the large pottery wheel
Opening champagne. In a bottle of champagne, the pocket of gas (primarily carbon dioxide) between the liquid and the cork is at pressure of p = 5.95 atm. When the cork is pulled from the bottle, the gas undergoes an adiabatic expansion until its p..
Suppose that a parallel-plate capacitor has circular plates with radius R = 40.0 mm and a plate separation of 4.0 mm. Suppose also that a sinusoidal potential difference with a maximum value of 340 V and a frequency of 120 Hz is applied across the pl..
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