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a persons lens prescription for glasses is 3 d if the glasses sit 19 cm from the eye what is that persons near point
the microwave radiation left over from the big bang explosion of the universe has an average energy density of 4 10-14
the armature of a simple ac generator has 30 circular loops of wire each with a radius of 10 cm it is rotated with a
if a student plays a note on a keyboard with a frequency of 314 hz what will the frequency be of the note one octave
question microbes are all around us and are controlled and exploited by man for food drink and fuel production sewage
if a student plays a white key on the keyboard and it has a frequency of 395 hz what will be the most likely frequency
in an echolocation lab a student measures the time from the first click of the fingers to the first echo to be 00062 if
why does debs relate the history of wartime dissent in
light of wavelength 0533 microm in air enters the water in a swimming pool the speed of light in water is 0720 times
genetic engineering may be defined as the ability to transfer a gene or genes from one organism to another in a form in
a transverse wave on a string is described by the equation yx t 227 cm sin109 radst 13 radsxa what is the maximum
in an experiment performed at the bottom of a very deep vertical mine shaft a ball is tossed vertically into the air
a metal guitar string has a linear mass density of 320 gm what is the speed of transverse waves on this string when
the intensity of the sound wave from a jet airplane as it is taking off is 114 wm2 at a distance of 43 m what is the
a photon is emitted when a hydrogen atom undergoes a transition from the n 9 state to the n 4 statea calculate the
two long parallel wires are attracted to each other by a force per unit length of 320 nm when they are separated by a
in a railroad switchyard a 50 ton freight car is sent at 74 mih toward a 27 ton car that is moving in the same
what is the volume of a solution of 5 m naoh that must be added to adjust the ph from 4 to 9 in 100 ml of a 100 mm
a proton accelerates from rest in a uniform electric field of 680 nc at some later time its speed is 142 106 msa find
a proton accelerates from rest in a uniform electric field of 620 nc at some later time its speed is 116 106 mswhat is
calculate the volume of air that an adult person exhales in an 8 hour day assume that each breath has a volume of about
a wheel 2cm wide with a 35cm radius is being spun at a constant velocity w by a static force fif a bar also 2cm wide
5 gram of solid calcium sulfate is added to 1 leter of pure water what is the soncentration of dissolved sulfate once
your friend decides to produce electrical power by turning a coil of 100000 circular loops of wire around an axis
an aqueous solution has a vapor pressure of 808mmhg at 50 degrees celsius the vapor pressure of pure water at this