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if you move at 14ms toward a 2300hz source that is movingtoward you with a ground speed of 38ms what frequency do you
a particle of charge -60nc is placed at the center of anon-conducting spherical shell of inner radius 20cm and
the sound in a classroom is 68000 times asintense as the minimum threshold of hearing what is the intensity level of
why is it easier to remove electron from the first two energy levels of mg but easier to remove third level electron of
light in a vacuum is incident on a transparent glass slab theangle of incidence is 320deg the slab is then immersed in
a flat sheet of crystalline quartz has athickness of 31 cm it is on top of aflat sheet of diamond that has a
1 draw all the monochlorinated derivatives of 2233-tetramethylbutane that are skeletal isomers of one another to make a
waterdensity100x103 kgm3 flows at100ms through a pipe with radius 0030m the pipe goes up tothe second floor of the
a nearsighted patients far point is 0855m from her eyes she is able to see distant objects in focus when wearing
your car engine slows down from 3700 rpmto 1600 rpm in 40 sa calculate its angular acceleration assume d constantrads2b
two isotropic point sources of light s1 ands2 are separated by a distance d 250mum along a yaxis and emit in phase at
emma is analyzing a sample which contains some zinc in it the sample is 198 g she reacts it with an excess of
an airplane has an effective wing surfacearea of 10 m2 that is generating the lift force inlevel flight the air speed
after fixing a flat tire on a bicycle you give the wheel a spina if its initial angular speed was603 rads and it
determine the wavelength in nm of the photon required to ionize one atom of cesium ie1 376 kjmol with what region of
an electric dipole consists of charges 2e and-2e separated by 078 nm it is in an electric field ofstrength 290106 nc
you will find in chapter 39 that the electrons cannot move indefinite orbits within atoms like the planets in our solar
a wire loop of radius 05 m has a resistance of 20 ohmsnbsp a uniform magnetic field perpendicular to the plane of the
a string of length 032 m is fixed atboth ends the string is plucked and a standing wave is set up thatis vibrating at
a string on a string bass is tuned to vibrate at a fundamentalfrequency of 530 hz if the tensionin the string were
a coil with inductance0100 h and resistance 250 omega is connected in series with a100 microf capacitor and a 110 v rms
presume that you are starting a research project to study a mammalian metalloenzyme that is 350 amino acids long
what is the balanced net ionic equation for the reaction of sodium oxalate with potassium permanganatena2 c2 o4 kmn 04
a charge per unit length given by lambdax bx where b 12ncm2 is distributed along the x axis from x 90 cmto x 16 cm
a 150 kg bucket of water is suspended by a very light rope wrappedaround a solid uniform cylinder 0300 m in diameter