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The human ear canal is about 2.9 centimeter long. If it is regarded as a tube open at one end and closed at the eardrum, obtain what is the fundamental frequency around which we would expect hearing to be most sensitive?
___________kHz
A straight rod of length L = 22.2 cm, carries a uniform charge, ? = 3.00 × 10-6 C/m, What is the magnitude of the electric field at yP = 50.0 cm
A step down transformer produces a voltage of 5.3 V across the secondary coil when the voltage across the primary coil is 100V. What voltage appears across the primary coil
Three protons are at the vertices of an equilateral triangle 0.800nm on each side. What is the potential energy of this set of charges
A certain type of laser emits light that has a frequency of 6.0 × 1014 Hz. How many wavelengths are there in one pulse
A wire of length L is wound into a square coil with 127 turns and used in a generator that operates at 60.0 Hz, What is the length Lof the wire used to construct the coil
In a liquid with a density of 1500 kg/m^3 , longitudinal waves with a frequency of 420 hz are found to have a wavelength of 8.50m . Calculate the bulk modulus of the liquid. 2) A metal bar with a length of 1.60 m has a density of 6200 kg/m^3. Long..
A car (mass 930 kg) is traveling with a speed of 48 mi/h. A bug (mass 6 mg) is traveling in the opposite direction. What speed would the bug need
Each of the electrons in the beam of a televisiontube has a kinetic energy of 15.0 keV. The tube is oriented so thatthe electrons move horizontally from north to south. The verticalcomponent of Earth's magnetic field points down and has a magnitud..
A human eyeball is about 2.1 long, and the pupil has a maximum diameter of about 7.5 . What is the "speed" of this lens
A radio receiver can detect signals with electric field amplitudes as small as 210?V/m. What is the intensity of the smallest detectable signal
Describe the full annealing heat treatment for a plain carbon steel.
The mass of a robot is 5420 kg. This robot weighs 3670 N more on planet A than it does on planet B. Both planets have the same radius of 1.33 x 10^7 m. What is the difference MA - MB in the masses of these planets?
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