Q. 274.5( 4 Votes )

Which is greater

Answer :

Angular Velocity =

Where, = Angle Traversed and = Time Taken


Here,


One complete Round corresponds to angle =


Now, hour clock takes 12 hours to complete one round.


So, angular velocity =


Earth takes 24 hours to completely revolve around its axis.


So, earth’s angular velocity =


Thus, the angular velocity of hour hand of a watch is greater than the angular velocity of earth about its axis.


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