The ratio of angular speeds of minute hand and hour
hand of a watch is
(1)1:12 (2)6:1 (3)12:1 (4)1:6
Answers
Answered by
0
Answer:
3) 12:1
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Answered by
1
The hours hand rotates full circle in 12 hours. So it covers an angle 360⁰ in 12 hours. Minutes hand covers a full circle in 12 hrs.
angular velocity of hours hand = 2π/(12*3600) radians/sec
angular velocity of minutes hand = 2π/3600 radians / sec
so ratio = 1 : 12
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