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the dipole moment of a water molecule in liquid water is 62times10minus30 cmiddotm and the effective diameter of a
a spherical conducting shell has 12 microcoulombs of positive charge on it the radii of the shell are rinner12 cm and
a particle with charge of 4 microcoloumbs is at the origin another identical particle is placed 2 m from the origin on
the longest recorded pass in an nfl game traveled 83 yards in theair from the quarterback to the receiver assuming that
the warranty on a new tire says that an automobile can travel for adistance of 96 000 km before the tire wears out the
the earth orbits the sun once a year 316 x 107 s in a nearlycircular orbit of radius 150 x 1011 m with respect to the
a string weed trimmer utilizes a length of nylon string thatrotates about an axis perpendicular to one end of the
an archer shoots a 20x10-2 kg arrow at a target with a speed of 50 ms when it hits a target it penetrates to a depth of
an empty capacitor is connected to a 240 v battery andcharged up the capacitor is then disconnected from the batteryand
a person walks into a room that has on opposite walls two planemirrors producing multiple images when the person is 500
in the electron gun pictured a potential differenceof 109 kv is found to bringelectrons from rest at the cathode to 62
a positively charged oil drop is injected into a region of uniformelectric field between two oppositely charged
the three charges in the figure below are at the vertices of an is osceles triangle let q 100 nc and calculate the
the left ventricle of the heart accelerates blood from rest to avelocity of 21cmsa if the displacement of the blood
when a tuning fork of frequency 500 hz is held above a tube resonances are found when the water level is at distances
a string of linearmass density mu1 is connected smoothly to a string of linearmass density mu2 find the refection and
suppose you have two identical containers with the samevolume both submersed in a hot water bath so that both
a conventional mercury thermometer consists of a thin glass capillary filled with mercurynbsp the capillary is enclosed
a metal cube with sides of length a is moving at velocityv0y across a uniform magnetic fieldb0z the cube is orientated
for a certain block on a spring the blocks displacementx x sin and its velocity v x cos with x 057 m if the block
the function -38 cos20t with in degrees describes the oscillation ofa certain torsion pendulum figure 13-4 assume the
suppose a simple pendulum consists of a small weight called apendulum bob suspended from a 052-m-long string if
a thermos contains 154 cm3 of coffee at 935 degc tocool the coffee you drop two 127-g ice cubes into the thermosthe ice
a moving particle encounters an external electric field that decreases its kinetic energy from 9460 evto 7120 ev as the
a spider hangs from a strand of silk whose radius is58x10-6 m the density of the silk is 1100kgm3 when the spider moves