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Find the length of red arc AB

Find the length of red arc AB (r1=1, r2=2). Express result to the accuracy of 3 decimal.

Correct answers: 43

The first user who solved this task is Roxana zavari.

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The doctors went lawn bowling...

The doctors went lawn bowling in the middle of my surgery. Needless to say they bocce'd the procedure.

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Edward Mills Purcell

Born 30 Aug 1912; died 7 Mar 1997 at age 84. American physicist who shared the 1952 Nobel Prize for Physics with Felix Bloch for independently developing nuclear magnetic resonance (NMR) in liquids and in solids. NMR has become widely used and powerful tool to study the molecular structure of pure materials and the composition of mixtures. The method detects and measures the magnetic fields of atomic nuclei.

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