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Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest which is 21h (heavy hydrogen, m = 2.01 u).
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Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?
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Physics, 22.06.2019 11:00
Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good
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Calculate the force of gravity between two planets with masses 5 x 1023 kg and 1 x 1022 kg when the...
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