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the locus of the midpoint of the chords of an ellipse which are drawn through an end of minor axis is
given the vectors u 3i - 2j k v i 2j - 4k w -2i 4j - 5k use vector methods to answer the followinga prove u v and w can
the hydrogenation of cyclohexene in the liquid phase has been investigated in a laboratory reactor in the temperature range from 25degc to 30degc the
choose and research an industry where there has been a pattern of change in a particular market model monopoly oligopoly etcwrite a four to five 4-5
find models of energy production and energy usage from 2 different countries each on a different continent which predict future energy production and
your engineering department estimated the following production functionq 15l2 - 05l3a what is the marginal product of labor function mplb what is
you are given the following information about the amount your company can produce per day given the number of workers it hiresnumbers of
find the derivatives of each of the following functions and their points of maximization or minimization if possiblea tc 1500 - 100 q 2q2b
the characteristic properties of an aquifer can be used to calculate groundwater velocities vgroundwater lt according tovgroundwater kh eta
the revenue and cost functions for producing and selling quantity x for a certain production facility are given belowrx 16x - x2cx 20 4xa
given y fx 2 x3 - 3x2 4x 5a use the power function to find derivative of the functionb find the value of the derivative at x
a how many ion pairs are produced in 1 cm3 of air during an exposure of 100 mr the density of air at stp is rho 1293kg m-3 what is the absorded dose
a a certain radioactive material emits gamma rays with energy 1 mev another sample of radioactive material emits gamma rays with energy 10 kev if
photon interactionsa consider a si detector of 1 mm thickness 106 photons each with energy of 100 kev are incident on the detector find the number of
a a point source of 60co emits equal numbers of photons of 117 and 133 mev giving a flux density ie fluence rate of 57 109 photon cm-2 s-1 at a
suppose s vi and t ti are easy sets of knapsak weight also p and q are primes p gt si and q gt ti we can combine s and t into a signle set of
a a 2 mm diameter parallel beam of photons each with energy of 100 kev is incident on a water phantom of thickness 15 cm if the exit exposure is 2 mr
1 an ionization chamber is used on tuesday t22degc p760mmhg and then on wednesday t25degc p740 mmhg to monitor the output from an x-ray tube if the
1 consider two monoenergetic photon beams with the same photon fluences in one beam the photons are 100 kev and in the other they are 1 mev determine
f y is a discrete random variable with expected value ey and if x a by prove that var x b2var y
a find the curve on the surface zx32 joining the pointsxyz000 and 111 has the shortest arc lenghtb use a computer to produce a plot showing the
1 finding the shortest path btween any two points on the surface of a sphere but use the method of the euler equations with an auxiliarty condition
i dont want the answer but how i shouuld find the answer plz a rectangular display case houses a square pyramid both have the same square base
the humidity of air can be determined by use of two different thermometers a dry bulb thermometer and a wet bulb thermometer with reference to a
15 kg of oxygen n2 and 015 kg of helium he2 are separated by a partition in a vessel the nitrogen is at 5 bar and 90oc and the helium at 1 bar