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a family ice show is held in an enclosed arena the skaters perform to music playing at a level of 845 db this intensity
one thousand pounds of cellulose c6h10o5 is an aerobically converted to methane and carbon dioxide compute how much
a football is kicked across a level field the ball spends 236 s in the air and lands 798 meter from the point where it
a block of mass m1166 kilogram rests on a frictionless ramp which makes an angle italic theta unknown with respect to
determine the terminal velocity of a spherical bacterium diameter 200 meter falling in water you will first need to
consider a single circular loop of wire that carries current i 21 amp if the field due to the current in the loop at
a 60 kilogram and a 90 kilogram skydiver jump from an airplane at an altitude of 6000 meter both falling in the pike
a capacitor capacitance c1 is connected across the terminals of an ac generator without changing the voltage or
a converging lens with a focal length of 116 centimeter forms a virtual image 845 millimeter tall 17 centimeter to the
objects with masses of 230 kilogram and a 530 kilogram are separated by 0440 metera determine the net gravitational
consider a water-filled manometer constructed to measure blood pressure via a direct connection to an artery p 305
compute what period of time is required for a sample of radioactive uranium-235 to lose 99280 percent of its activity
determine what fraction of a sample of carbon-14 is left after 214875 yr the half-life of carbon-12 is 5730
i a radioactive sample produces 46035 decays per minute at one point in an experiment and 30809 days later produces 837
in a compound microscope the focal length of the objective is 320 centimeter and that of the eyepiece is 660 centimeter
an astronomical telescope has an angular magnification of -131 its objective has a refractive power of 175 diopters
the far point of a nearsighted person is 56 meter from her eyes and she wears contacts that enable her to see distant
electromagnetic waves are radiated uniformly in all directions from a source the rms electric field of the waves is
a farsighted woman breaks her current eyeglasses and is using an old pair whose refractive power is 1645 diopters since
a diverging lens f -105 centimeter is located 20 centimeter to the left of a converging lens f 31 centimeter a 3
two equal diverging lenses are separated by 17 centimeter the focal length of each lens is -8 centimeter an object is
an object is 22 centimeter in front of a diverging lens that has a focal length of -13 centimeter find how far in front
a metal surface is susceptible to a photoelectric threshold frequency of 8529 x 10 hertz will the monochromatic uv
the speed of an ion in a particle accelerator is doubled from 04500c to 09000c the particles initial relativistic
a spacecraft with circular north and south sides of diameter 325 meter passes earth moving eastward in relation to you