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a copper rod 81cm long is used to poke a fire the hot end of the rod is maintained at 105 degrees celcius and the cool
on a summer day the air conditioning breaks down and the air inyour classroom becomes very warm and muggy with a vapor
a person walks into a room that has on opposite walls two plane mirrors producing multiple images when the person is
the left ventricle of the heart accelerates blood from rest to avelocity of 21cmsa if the displacement of the blood
the figure shows two charged particles on an xaxis -q -640 times10-19 c at x -400 m and q 640 times10-19 c at x 400 m
a point source of light is 842 cm below the surface of a body of water find the diameter of the circle at the surface
when a tuning forkof frequency 500 hz is held above a tube resonances are foundwhen the water level is at distances 160
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
suppose a simple pendulum consists of a small weight called apendulum bob suspended from a 052-m-long string if the
soda are made fizzy by the carbon dioxide co2dissolved int he liquid an amount of carbon dioxide equal to about80 l of
a spider hangs from a strand of silk whose radius is58x10-6 m the density of the silk is 1100kgm3 when the spider moves
the moon orbits the earth at a distance of 385 x 108 m assume that this distance is between the centers of the earth
the left ventricle of the heart accelerates blood from rest to avelocity of 24cmsa if the displacement of the blood
two steel juggling balls each carry a charge of275 muc there is a repulsive force between themof 185 n what is the
in an aortic aneurysm a bulge forms where the walls of the aortaare weakened if blood flowing through the aorta radius
a piece of iron isheated with a torch to a temperature of 6000 k how much moreenergy does it emit as blackbody
the acceleration g due to gravity is measured in two experiments in the first experiment the value of g was measured to
a pipe open only at one end has a fundamental frequency of 256 hznbsp a second pipe initially identical to the first
estimate the maximum centrifugal and coriolis forces that you would experience on a ferris wheel in melbourne fl how
a diver springs upward with an initial speed of 17 ms from a 30-mboarda find the velocity with which he strikes
a solid conducting sphere with a radius of 354 cm contains atotal charge of 546 mc evenly distributed over its surfacea
during a lightning flash there exists a potential difference of vcloud-vground12 x109v between a cloud and the ground
an anchor made of cast iron of bulk modulus 600 x 109 pa and ofvolume 0230 m3 is lowered over the side of the ship to
a sphere of radius 10 cm is dropped into a glass cylinder filledwith a viscous liquid the mass of the sphere is 120 g