Physics, 17.12.2019 02:31 flamingtacos4026
Suppose the difference in rest energy of the neutron and proton were qn = (mn−mp)c 2 = 0.129 mev instead of qn = 1.29 mev with all other parameters unchanged (including the freezeout temperature for neutrinos at the time of big bang nucleosynthesis). estimate the – 2 – maximum possible mass fraction in he. you may assume all helium nuclei have two neutrons and two protons.'
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Physics, 21.06.2019 17:40, angeisthe72
Current enters a circuit at a: 1.positive terminal 2.negative terminal 3.low potential side 4.resistor
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Physics, 22.06.2019 07:30, luckylady
Select all of the following that are equal to an impulse of 20 unitsa) force= 5, time= 5.5b) force= 25, time= 0.8c) force= 0.1, time= 200d) force= 10, time= 2(its b, c, and d)(also in order to find answer they have to add to get the unit)ex= 25x.8=20 or .1x200=20
Answers: 1
Suppose the difference in rest energy of the neutron and proton were qn = (mn−mp)c 2 = 0.129 mev ins...
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