A particular laser consumes 1400 watts of electrical power
A particular laser consumes 140.0 Watts of electrical power and produces a stream of 2.59×10^19 photons/second 1012nm. What is the percent efficiency of the laser in converting electrical power to light?
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using data from the following reactions and applying hesss law calculate the heat change for the slow reaction of zinc
white gas is a mixture of c5 compounds and c6 compounds the heavier hydrocarbons in white gas are hexanes c6h14given
sacvan bercovitch a scholar of early american literature said the puritan concept of errand was well suited to the
1 what is the visitors room like2 what has obrien asked steve to do when his response is to write down mr sawickis name
a particular laser consumes 1400 watts of electrical power and produces a stream of 259times1019 photonssecond 1012nm
if you have a 11 m solution of hcl how many milliliters of a 0150 m magnesium hydroxide soultion are needed to
when comparing catcher in the rye to the movie dead poets society how are the boys in the movie more successful in
what are five elements of the storys setting which help to foreshadow the murder and build the readers suspense and
pressure was exerted with a piston on molten naphthalene at 95 degrees celsius the vapour pressure of naphthalene
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Which concept refers to countries whose governments have so mismanaged policy that their citizens, in rebellion, threaten revolution
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Education is a good example of federalism because ) The federal government establishes national standards, state governments hire teachers
Why did Samuel P. Huntington predict that a "clash of civilizations," rather than interstate war, will occur in the future?