What is the radius of the nuclide 238 92U?
A. 7.4 fm
B. 5.4 fm
C. 290 fm
D. 1.8 fm
A. 7.4 fm
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In the seventeenth century, English physician Robert Fludd proposed the perpetual motion machine shown here. The machine would turn the waterwheel to move the grindstone and at the same time return the water to the upper level. It unfortunately cannot work because it would try to get more energy out of a device than is put into it, thus violating the first law of thermodynamics. Would Fludd's
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