Big Ben in London is the most accurate mechanical clock of its
size. The 300-kg hour...
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Physics
Big Ben in London is the most accurate mechanical clock of itssize. The 300-kg hour hand is 2.7 m long, and the 100-kg minutehand is 4.2 m long. Treat each hand as if it were a thin rod.Calculate the rotational kinetic energy of the two-hand system.
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Mass of the hour hand M1 300 kgLength of the hour hand L1 27 mMoment of inertia of the hour hand I1I1 M1L123I1 3002723I1 729
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