Physics, 19.07.2019 08:50 mecennabosaaen
The half life of radium 222 is 38 seconds if you had a 12 gram sample how much would be left after 72 seconds
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Physics, 22.06.2019 01:00
Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be
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Physics, 22.06.2019 02:00
The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e
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Physics, 22.06.2019 06:30
Air initially at 0.75 bar, 1000 k, and occupying a volume of 0.12 m^3 undergoes two processes. process 1-2: the air is compressed isothermally until the volume is halved. process 2-3: the air undergoes a constant pressure process until the volume is halved again. assume ideal gas behavior. a) determine the mass of the air, in kg. b) the work and the heat transfer for each of the two processes, in kj. (100 kj = 1 bar . m^3)
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The half life of radium 222 is 38 seconds if you had a 12 gram sample how much would be left after 7...
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