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a a red laser pointer emits light with a wavelength of 670 nm what is the frequency of this lightb what is the energy
two sealed containers with volumes v1 and v2 respectively contain dry air at pressures p1 and p2 and room temperature t
1 where did drwin spend most of his life studying animals andevolution2 what was darwins ships
if human height were quantized in one-foot increments what would happen to the height of a child as she grows
what is the maximum number of cs ions that can be produced per joule of energy absorbed by a sample of gaseous cs
evaporation of surfaceseawatera cools the surface of the oceanb warms the surface of the oceanc transfers heat energy
the current in a series circuit is 149 a when an additional 106- resistor is inserted in series the current drops to
suppose that95g of water condenses on a 750g block of iron that is initially at 22 degrees celcius if heat released
fluorescence in situ hybridization fish is a technique wherechromosomes on a slide can be denatured allowing
joey whose mass is 39kg stands at rest at the outer edge of the frictionless 230kg merry-go-round 22m from its center
a motor running at 1500 revsmin has on its shaft three pulleys of radii 6 10 and 25 cm respectivelya find the linear
a what is the molarity of a solution that contains 1693 g of sodium chloride dissolved in 597 ml of solutionb a 105 ml
which of the following would most likely cause a mutation with the greatest deletrious effecta an insertion of a
a 250 g 24-cm-diameter plastic disk is spun on an axle through its center by an electric motor what torque must the
which of the following is the chemical formulafor
1 compare and contrast phytoplankton and zooplankton how are they similardifferent be sure to include examples to
a mass of 137 g of manganese dibromide is dissolved in 330 g of water what is the molality of the
the name of a rapid rise of coastal water that accompanies the arrival of a cyclone is calledhurricanestorm surgetidal
energy is transferred from the sun to earthmainly bymolecular collisionsdensity currentselectromagnetic wavesred
how many grams of ethylene glycol c2h4oh2 must be added to 800 g of water to yield a solution that will freeze at -84
the apparent daily path of the sun changes withthe seasons becauseearths axis is tiltedearthsdistance from the sun
about how many ribosomes are present in an average eukaryotic cell and roughly how many new proteins can be finished by
an energy storage system based on a flywheel a rotating disk can store a maximum of 30 mj when the flywheel is rotating
the boiling point of carbon tetrachloride is 768 oc a given solution contains 769 g of a nonvolatile nonelectrolyte in
how would poisoning the electron transport systemassociated with the light-dependent reactions of photosynthesis affect