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a horizontal wire is hung from the ceiling of a room by two massless strings the wire has a length of 021 m and a mass
a copper wire of radius a 0214 mm has an aluminum jacket of outer radius b 0310 mm there is a current i 289 a in the
in a certain rlc circuit a46- resistor a11-mh inductor and a 5-microf capacitor are connected in series with an ac
a block is sliding along a frictionless roller coaster it starts at height h above the ground with some unknown initial
a ball rolls down a hill what causes constant acceleration down the hill what determines how much acceleration there is
an observatory has an 8-inch celestron telescopea estimate the diffraction limit of this telescopeb estimate the
a constant force is applied to an object causing the object to accelerate at 10ms2a what will the acceleration be if
an asteroid is seen in opposition from earth once every 1000 daysa what is the sidereal orbital period of the asteroidb
part ahow far away can a human eye distinguish two car headlights 18 m apart consider only diffraction effects and
explain using thermodynamically sound principles what each of the following temperatures
an air mass has a temperature of 68f and 970hpa with a mixing ratio of 5 gkg without any condensation or mixing the air
assume a planet is a uniform sphere of radius r that somehow has a narrow radial tunnel through its center also assume
a projectile is shot directly away from earths surface neglect the rotation of the earth what multiple of earths radius
the vibration of an o2 molecule has a wavenumber of 15804 cm-1 calculate the energy in joules of the first excited
a microscope with a magnification of 1000 using a converging lens with a focal distance of 15 cm for the objective the
moon effect some people believe that the moon controls their activities if the moon moves from being directly on the
a loop of wire resistance 20 m is positioned as shown with respect to a long wire which carries a current if d 10 cm
a 0470-kg glider attached to the end of an ideal spring with force constant k 500 nm undergoes shm with an amplitude
a wedding ring of diameter 17 cm is tossed into the air and given a spin resulting in an angular velocity of 12
an electromagnetic velocity filter sometimes called a wien filter is used in a variety of experiments and other
two conductors made of the same material are connected across the same potential difference conductor a has twice the
a disk of radius r and mass m 10 g is rotating freely about a fixed axis through its center with angular velocity w
suppose you are climbing up stairs gaining 10 meters of height per minute in order to do that your body has to do some
a block of mass m 20 kg attached to a spring with spring constant k on a frictionless surface the block is pushed to