A wall clock regulated by a seconds pendulum goes slow by 20 second per day how many oscillations are performed by the faulty pendulum per day
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we know this that 1 day has 24 hours
speed decreases per day is 20 second
speed decreases per day is 20 second
Sumit2005:
answer is missing I am write this on comments
24 hours × 60 =1440 then we know minutes then 1440×60=86400 then 86400/20 = 43200 is answer
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