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if a cord of wood is a stack of wood that measures 40ft x 40ft x 80ft explain what is the volume of this stack of wood
a high diver leaves the end of a 50 meter high diving board and strikes the water 13 second later she strikes the water
there are 24 cans of soda per case of soda and there are 120fluid ounces of soda per can of soda how many ml of soda is
to operate a given flash lamp requires a charge of 26 microc find what capacitance is needed to store this much charge
consider a main oil spill in a lake amount of oil spilled is 58000 kg we can presume oil and water dont mix density of
a 043 microf capacitor is connected to a 90 volt battery find the magnitude of the charge on each plate of the
coasting along at 900 ms a 600 kilogram bicyclist on an 850 kilogram bicycle encounters a hill if the speed of the
suppose that the earth is a uniform sphere and that its path around the sun is circulara find the kinetic energy that
explain what would happen to the length of a meter stick traveling near the speed of light with its long dimension
a wooden plank is raised at one end to an angle of 30 degree a 20 kilogram box is located on the incline10 meter from
calculate the speed of light observed coming from a star if the star is moving toward us at half the speed of
a copper wire has a square cross section a on a side the wire is l long and carries a current of i the density of free
a speeder is pulling directly away and increasing his distance from a police car that is moving at 29 ms with respect
three separated weights 400 n 294 n and 98 n on a frictionless horizontal table are all connected by a wire that passes
the tires on a new compact vehicle have a diameter of 20 feet and are warranted for 55000 milesa find the angle through
lasers have been developed that can generate pulses of light that are only 10 fs femtoseconds long suppose lamdar
in cesium atoms z 55 the 55th electron has principle quantum numbernbspn6nbspand is outside closed shells which
a car has a mass of 1000 kilogram its at the top of a 10o hill therefore if you were to draw a triangle the base of the
an electron and a proton attract each other with a 1 r2electric force just like the gravitational force assume that an
a ball is tossed in the air and released it moves up reverses direction falls back down again and is caught at the
magnetic resonance imaging mri is a medical technique for producing pictures of the interior of the body the patient is
a concave mirror has a focal length of 325 centimeter the distance between an object and its image is 463 centimeter
determine the radius of an electron orbit when it moves perpendicular to a magnetic field of 050 t with a speed of 627
a light bulb is wired in a series with a 137 ohm resistor and they are connected across a 120 volt source the power
it is desired to construct a solenoid that will have a resistance of 460nbspohmnbspat 20degc and produce a magnetic