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gayle runs at a speed of 390 ms and dives on a sled initially at rest on the top of a frictionless snow covered hill
an observer at rest with respect to the sun measures the diameter of the earth in the direction of its motion as it
instead of calcium oxalate ions can as well be precipitated using barium ions define how using barium ions instead
a 2700 kilogram truck traveling north at 41 kmh turns east and accelerates to 55 kmha estimate the change in the trucks
one mole of an ideal gas is allowed to expand reversibly against a confining pressure that is at all times
a stone initially at rest is dropped from the roof of a building after 200 second it is dropped a second stone is
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