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Two small stereo speakers are 1.6m apart and act as a double-slit interference experiment by sound waves. If the opposite wall of the room is 7.5 m away and the sound frequency is 1.6 kHz, what is the distance among the two interference maxima nearest the center of the wall? Suppose the speakers act as a point sources of sound.
find the volume of the irregularly shaped object. What is sigma_inner, the surface charge density (charge per unit area) on the inner surface of the conducting shell.
question1a single point charge q 1.85 microc is fixed at the origin. an imaginary spherical surface of radius 3.00 m
question an emf of 10 v is connected to a series rc circuit consisting of a resistor of 2.0 x 106nbspomega and a
A beaker of mass 1.5kg containing 3.2kg of water rests on a scale. A 3.2kg block of a metallic alloy of density 53400 kg/m is suspended from a spring scale is submerged in water of density 1000 kg/m.
a potters wheel is rotating at 3.2 rads in a counterclockwise direction when the potter turns it off and lets it slow
a guitar of bridge length l 0.76m has new strings put on it. the low e string has a linear density of p 0.08 kgm
The Concorde is 62 m long when its temperature is 23 degrees C. In-flight, the outer skin of this supersonic aircraft can reach 105degrees C due to air friction. The coefficient of linear expansion of the skin is 2.0 x 10^-5 (C degrees)^-1. Find the ..
Compute the speed of the water just before striking the turbine blades (neglect air resistance).
A 5kg steel ball is dropped onto a copper plate from a heightof 10m. If the ball leaves a dent 3.2mm deep, what is the average force exerted by the plate on the ball during impact
Bob has just finished climbing a sheer cliff above a beach, and wants to figure out how high he climbed. All he has to use, however, is a baseball, a stopwatch, and a friend on the ground below with a long measuring tape. Bob is a pitcher, and kno..
A uniform thin rod of length 0.65 m and mass 4.5 kg can rotate in a horizontal plane about a vertical axis through its center. what is the magnitude of the bullet's velocity just before impact
A water-skier is moving at a speed of 13.1 m/s. When she skis in the same direction as a traveling wave, Determine the wavelength of the wave
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