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what is the power of a sound wave b 32 db passing through an area of 125 cm 2 suppose the same sound wave passes
each resistor in the following circuit is 600 ohms what is the equivalent resistance between points a and bfind the
the noise from a helicopter rotor is distributed equally in all directions if the rotor generates 70 watts of sound
the vertical displacement of a string is given by yxt 600mm cos325m to the power of -1 x - 722 s to the power of -1t
1 wavelength of particlesa consider a dust particle of diameter d 1 mu mass masymp10-15 kg and speed nu 1 mms calculate
solve each and give a complete detailed step by step solution to solving each problem no matter how easy i am trying
four resistors are connected to a battery with a terminal voltage of 15 v as shown in figure determine the power
derive an equation for the relationship between electric field in a homogeneous volume of tissue and specific
1 an electron entering thomsons em apparatus figure 32 and 33 has an initial velocity in horizontal direction only of
1 three resistors have values 5 ohms 2 ohms and 1 ohms the first one is followed by the last two wired in parallel when
the engine of a model rocket is rated with a total impulse of 500 n seconds and a thrust duration of 120 seconds what
1 when a mass of 250 grams is suspended from a certain spring and lowered slowly until the spring stops stretching the
1 an object of mass 023 kg is initially at the origin and is acted on by the sole force f050 ni after a certain amount
an old analog hand-held cellular telephone operates in the 860 to 900 mhz band and has a power output of 0600 w from an
a power cycle for a piston-cylinder device is described by the following four processes1rarr2isothermal compression
a power plant produces 1 gw of electricity at an efficiency of 40a at what rate does this plant expel waste heat into
at a distance of 38 m from a siren the sound intensity is 36 x 10-2 wm2 assuming that the siren radiates sound
there is an old truck that has a 6 or 12 volt battery in it which has very little charge left in it the hood cannot be
consider a gyroscope consisting of a horizontal hoop of mass m and radius r spinning with angular velocity w about its
1 a battery with 12-v emf has a terminal voltage of 114 v when it delivers a delivers a current of 20 a to the starter
question 1 in a coal fired power plant the output from the steam turbine is 500 mw in the form of shaft power this is
a source emits 53162 nm and 53282 nm light1 what minimum number of lines is required for a grating that resolves the
a generating station is producing 11 x 106 w of power that is to be sent to a small town located 80 km away each of the
in europe the standard voltage in homes is 220v instead of the 120v used in the united states therefore a 100w european
1 calculate the average power in kilowatts required to pull a car up a ramp if the amount of work is 250 kj over a