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a kid of mass 20 kg is playing with a swing by an arm length of 5 m his sister first pushes him such that the maximum
the terminal speed of a free falling object ball is vt when the ball is supported by a light elastic spring the spring
a 5-bit analog-to-digital converter adc has a voltage range of 0 to 4 v and a digitization uncertainty of plusmn1 lsb
a power line carries a 225-a current from east to west parallel to the surface of earth1 what is the direction of the
for the last few years my friend worked on figuring out the theory of everything she is afraid of sharing her theory
how does the strength of the magnetic field 1 cm from a current-carrying wire compare with1 the strength of the field 2
1 estimate the capacitance c of a human being relative to infinity2 about how much energy is released when the person
suppose that cv m 5r2 for nitrogen gas assume that you expand 200 mol of nitrogen adiabatically and reversibly from
an accelerator increases the total energy of electrons uniformly to 10 gev over a 3000 m path that means that at 30 m
the drag on ball a in fluid y extremely expensive and rare is to be estimated from tests run on ball b in air fairly
a 160-omega and a 200-omega resistor are connected in parallel a dissimilarity in potential of 400 v is applied to the
a pressure measure at the top of an oil well 18000 ft deep registers 2000 psig the bottom 4000-ft portion of the well
a rod of mass 0300 kg and length 036 m has four small balls mounted on it two balls shown in red on the diagram each of
consider the subsequent cell pth2g 1880 atmh aq mag aq 100 mags if the measured cell potential is 10500 v at 25 degc
explain when pentane c5h12 burns in oxygen it produces carbon dioxide as well as water if 855g of pentane is completely
the pka of hydrochloric acid is about -6 on the basis of this information would aqueous sodium chloride be adequately
if you pass 100ml of a 500ml solution of coen2cl2cl that has been reduced with zn through a cation exchange column you
compute the mass of bacio32 formed from 01c of a m hcio3 solution plus an excess of
a chemist has synthesized two new dyes based on the molecular structure of plant-based dyes the lowest energy
a explain what are the advantages and disadvantages of writing a chemical equation with chemical symbols and formulas
a buffer was prepared by mixing a solution that is 0285 m in ha and 0385 in a- the ph of this buffer was 4435 then to
the pkb values for the dibasic base b are pkb1 210 and pkb2 748 compute the ph at each of the following points in the
1 find out the molar mass of a gas if 394g of the gas occupied a volume of 352l at stp2 the combination reaction
for the subsequent questions consider the reaction between magnesium and oxygenmgso2g -gt mgos1 explain how many grams
consider the neutralization reaction that takes place when nitric acid reacts with solid ironii carbonatea state a