1.178 is wrongHomework Answers
1. in 12 hours angular displacement of hour hand is 2*pi rad
in 2.25 h it is 2.25*2*pi/12 = 1.1780972 rad
but now clockwise displacement is -ve
hence angualr displacement of hour hand in 2.25 hrs = -1.17809724 rad
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1.178 is wrong
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