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aluminums density is 2700 kgm3 an aluminum cube 34cm on a side is placed on a scalea what does the scale read when the
the second is defined as a fractional part of a mean solar day express one second as a fraction of a mean solar day
an air-track glider attached to a spring oscillates between the 1112 cm mark and the 5438 cm mark on the track the
for the reaction a-----products successive half-lives are observed to be 100 200 and 400 min for an experiment in which
2which of the following statements is true a gas particles are attracted to one another and therefore behave as grouped
a derive an equation for t as a function of k and m if you plot a graph of t2 versus m what combination of variables
1 for which of the following compounds is the term molecular mass better suited than the term formula mass i f2ii cao
a 6650kg iceberg with density 931 rm kgm3 is afloat in seawater with density 1030 rm kgm3a find the buoyant force on
when a chemist burns hydrogen according to the reaction below she finds that the reaction releases heat it is
the motion detector used in a physics lab sends and receives 2252 khz ultrasonic pulses a pulse goes out reflects off
a 1200 milk chocolate bar is found to contain 9200 of sugar what will be the amount of sugar in milligrams if the size
an aluminum ring of radius r1 500 cmand a resistance of 405 10-4 is placed around one end of a long air-core solenoid
a totem pole has representations of n animals arranged in a vertical column if there are 10 animals that can be used on
calculate the specific weight specific volume and density of one mole of methane at 100degf and 120 psi
a doctor claimed that meditation can reduce the systolic blood pressure sbp level of a hypertension patient he has
a compound containing xenon and fluorine was prepared by shinning sunlight on a mixture of x2 0526 g and excess f2 gas
the purity of gold alloys is expressed in karats which is the mass fraction of gold multiplied by 24 pure gold is 24 kt
how many copper atoms are in a cube of copper metal measuring 135 cm on each edge the density of copper is 896
gold can be hammered into decorative gold leaf which is only 10-7 m thick if 1576 troy ounce of gold is hammered into
a boy with a mass of 55 kg is hanging from a spring with a spring constant of 240 nm with what frequency does the boy
a spring hanging from the ceiling has an unstretched length of 80 cm a mass is then suspended at rest from the spring
natural uranium consists almost entirely of 238u to operate a nuclear power reactor the fuel must be enriched in a
a hydraulic lift has pistons with areas 065m2 and 550m2 and theyre at the same height with a 16kn force on the smaller