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question is in three parts and asks for a relation between two space time intervals an explanation of length
it is often said that one of the best things you can do to safe energy in a house is to install a solar water heater
if you body is emitting infrared radiation of wavelength 94 x 10-6m what is the energy of the released photonsa
for dioxins in fathead minnows the bcf 29200 the half-life for elimination of dioxins from fathead minnows is 145
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in a nuclear medicine scan using 99mtc the image snr for a 30-min scan was 501 for an injected radioactive dose of 1
1 a source has a half-life of 12 hours and an initial activity of 10mci after 4 days what is its activity2 calculate
1 a radioactive source has a half life of 74 days and an activity of 370 mbq what was the activity 30 days ago2 a
k40 half-life13x10e9 years composes approximately 0012 of the potassium found in nature by weight the human body is
the decision to drop the atomic bomb remains a very controversial one in american and world history to what degree did
a in a sample of 1000 atoms if 50 atoms decay in 5 s what is the radioactivity measured in mci of the sampleb in order
1what charge is needed to focus the electrons that are aimed at the targetapositivebnegativecneutraldalternating2what
briefly describe one quality assurance procedure performed by the radiation therapist be specific about what the qa
explain how you could find the entropy of a diatomic ideal gas you do not actually need to do the calculation just
1 which material would have the strongest compressive strengthi egg shell11 a ream of paper111 pile of dry sandiv
a one-electron uranium atom a neutral uranium atom has 92 electrons surrounding a nucleus containing 92 protonsa given
singly ionized carbon is accelerated through 1000 v and passed into a mass spectrometer to determine the isotopes
1 a wooden archeological artifact is reported to be 2000 years old on the basis of carbon-14 dating what is the
1 a 500-microfarad capacitor is discharged through a 47-mega ohm resistance what is the time constanta 600 sb 300 sc
question the naturally occurring isotopes of potassium are39 k abundance 931040 k abundance 0011841 k abundance 68840k
a radioactive isotope has a decay constant lambda 00582 s-1a what is the half-life of the isotope in secondsb what
a particle moves in simple harmonic motion with a frequency of 220 hz and an amplitude of 560 cmthrough what total
a boy at a throws a ball 45o from the horizontal such that it strikes the slope at b determine the speed at which the
james made ferroelectrics sample bi la4ti3o12 which has a crystal structure like figure basically it was a material of