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a parallel plate capacitor is constructed with teflondielectric constant is 21 between the plates this 126 muf
you need to make a series ac circuit having a resonance angular frequency of 1475 rads using a 146 omega resistor a 105
a thin uniform rod is hinged at its midpoint to begin with one half of the rod is bent upward and is perpendicular to
at what angular frequency will a 600 mf capacitor have the same reactance as a 500 mh inductor answer in radsif the
in parts of the midwestern united states sirens sound when a severe storm that may produce a tornado is approaching
a musician plays a string on a guitar that has a fundamental frequency of 3300 hz the string is 642 cm long and has a
a piano tuner sounds two strings simultaneously one has been previously tuned to vibrate at 2870 hz the tuner hears 20
a parallel plate capacitor is constructed with plate area of 040 m2 and a plate separation of 010mm how much charge is
a what is the pressure amplitude of a sound wave with an intensity level of 1215 db in airnm2b what force does this
a sound wave with an intensity level of 809 db is incident on an eardrum of area 600 10-5 m2 how much energy is
find the speed of sound in a thin rod of copper which has a sheer modulus of 45 1010 pa and a density of 890 103 kgm3
a 16-m-long string fixed at both ends vibrates at resonant frequencies of 768 hz and 1152 hz with no other resonant
a lens for a 35-mm camera has a focal length given by f 43mm how close to the film should the lens be placed to form a
a spherical water drop 42 m in diameter is suspended in calm air due to a downward-directed atmospheric electric field
a water pump lifts water from a well depth of 30 to the ground level how much work does the pump do by moving 2 m3 of
a child throws a stone from the top of a 15 m cliff with a speed of 20 ms if the stone weights 2 n find its kinetic
a 200 ohm resistor is rated at 14 wa what is the maximum current it can drawb what is the maximum voltage that should
a submerged scuba diver looks up toward the calm surface of a freshwater lake and notes that the sun appears to be 32
two people carry a heavy electric motor by placing it on a light board 250m long one person lifts at one end with a
transverse waves with a speed of 535 ms are to be produced on a stretched string a 435-m length of string with a total
two large parallel metal plates are uniformly and oppositely charged and the electric field between them is 76 x 106 nc
blue light of frequency 60 1014 hz falls on the surface of potassium which has a work function of 226 ev find the
a research group plans to construct an engine that extracts energy from the ocean using the fact that the water
a nuclear power plant has a reactor that produces heat at the rate of870mw this heat is used to produce260mw of
a 19-kg mass attached to a spring is displaced 76 cm from the equilibrium position it is released and then oscillates