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Original Question
Show that the minute hand of awatch gains 5°30' on the hour hand in a minuteAsked by Sonakshi
Show that the minute hand of a watch gains 5°30' on the hour hand in a minute
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Answered by
Reiny
in one minute the minute hand has moved 360/60 or 6°
in one minute the hour hand has moved (360/60) ÷ 12 = .5°
so the angle between them has changed by 6-.5 = 5.5° = 5° 30'
in one minute the hour hand has moved (360/60) ÷ 12 = .5°
so the angle between them has changed by 6-.5 = 5.5° = 5° 30'
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