Asealed box was found which stated to have contained an alloy composed of equal parts by weight of two metals a and b. these met als are radioactive, with half lives of 12 years and 18 years, respectively and when the container was opened it was found to contain 0.53 kg of a and 2.20 kg of b. deduce the age of the alloy.
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Physics, 22.06.2019 06:00
In the circuit shown below, with each bulb holding a resistance of 60 ohms, how many amps of current are flowing? express your number as a decimal.
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Choose all the answers that apply. our solar system: is in a spiral galaxy no longer includes pluto is made mostly of empty space is in the andromeda galaxy is the only known system that supports life
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Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?
Answers: 2
Asealed box was found which stated to have contained an alloy composed of equal parts by weight of t...
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