Physics, 30.09.2019 21:00 oofdiegoofdie5562
2. a 2.5 gram sample of an isotope of strontium-90 was formed in a 1960 explosion
of an atomic bomb at johnson island in the pacific test site. the half-life of
strontium-90 is 28 years. in what year will only 0.625 grams of this strontium-90
remain?
Answers: 3
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What is the relationship between the wavelength of a wave and it's energy?
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Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate
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In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?
Answers: 1
2. a 2.5 gram sample of an isotope of strontium-90 was formed in a 1960 explosion
of an atomic...
of an atomic...
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