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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.

Answer & Explanation Solved by verified expert
3.8 Ratings (349 Votes)
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    See Answer
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