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ashwani kumar (41)

Olaaa!! Perrrfect answer. 3  [16 rates]

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As f=70v,
so retardation a=(f/m)v,
a=dv/dt
dv/dt=fv/m
integrate it with proper limits
you will find t=100log2/7sec
  this reply:   2 points  (with Olaaa!! Perrrfect answer.   in 1   votes   )     [?]
 
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