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a beam of light with red and blue components of wavelengths 670 nmand 425 nm respectively strikes a slab of fused
a proton accelerates from rest in a uniform electric field of660 nc at some later time its speedis 110 multiplied by
when 15 ml of a solution containing 16 m na2s is diluted to 32 ml a dilute solution is formed how many moles of na ions
a phonograph record has an initial angular speed of 36 revmin therecord slows to 13 revmin in 2 seconds what is the
classify the following by the sign of delta u for the system the following can be classified into these three
near earth the density of protons in the solar wind a stream ofparticles from the sun is 880cm-3 and their speed is
a 50-g of ice cube at 0c is heated until 45g has become water at 100c and 50g has become steam at 100cnbsp how much
a 82 kg object moves in a horizontal straight line withan initial speed of 53 ms if it is stopped along that linewith a
when 29 ml of a 260 ml stock solution containing 211 m alcl3 is diluted to 81 ml how many moles of al3 are in the new
a window has a glass surface are of 16x103 cm2 and a thickness of 30 mma find the rate of energy transfer by conduction
a 95 ml stock solution contains 435 m na3po4 when 28 ml of the stock solution is diluted to 86 ml how many moles of na
equipotential surface a has a potential of 8350 vwhile equipotential surface b has a potential of 16100 v aparticle has
a stock solution is prepared by adding 30 ml of 2 m alcl3 to enough water to make 80 ml what is the cl- concentration
the concentration of alcohol ch3ch2oh in blood called the blood alcohol concentration or bac is given in units of grams
the power supply for a pulsed nitrogen laser has a 0060micro-f capacitor with a max voltage rating of 25 kv if 10of
1-11 exactly 500 ml aliquots of a solution containing phenobarbital were measured into 5000ml volumetric flasks and
a daredevil decides to jump an canyon itswalls are equally high and 10 m apart he takes off by driving amotorcycle up a
a mole of hydrogen atoms contains 602x1023 atoms a section of outer space contains 25 atoms how many moles of hydrogen
a vertical electric field of magnitude 100 x 104 ncexists above the earths surface on a day when a thunderstorm
describe the lysing process that occurs when performing the slow freeze quick thaw procedure for preparing a crude
the pressure in ideal gas is cut in half slowly while being kept in a container with rigid walls in the process 265 kj
a horizontal force of 210n is exerted on a 20 kg discus as itrotates uniformaly in a horizontal circle at arms length
a sprinter set a high school record in track and field running 2000 rm m in 207 s what is the average speed of the
a sample of naphthalene which should be pure white was found to have a grayish color after the usual purification
a 180 w light bulb is plugged into a standard 110 voutlet how much does it cost per month 31 days to leavethe light