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50. The ratio of angular speeds of minute hand andhour hand of a watch is(2) 12:1(3) 60: 1(4) 1:60 |
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Answer» The minute hand of a clock covers 360 deg in 60 min or 6 deg/min. The hour hand of a clock covers 30 deg in 60 min or 0.5 deg/min.The ratio of the angular speed of the minute to the hour hand = 6/0.5 = 12:1. |
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