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what is the time taken by the motor boat to cover the same distance in still water.
we know that,
T = 2t1 t2 / ( t1 + t2 )
given that,
t1 = 6hour, t2 = 10 hour
therefore,
T = 2 x 6 x 10 / 16
T = 120 / 16
T = 7.5 hour.
____________________________
what is the time taken by the motor boat to cover the same distance in still water.
we know that,
T = 2t1 t2 / ( t1 + t2 )
given that,
t1 = 6hour, t2 = 10 hour
therefore,
T = 2 x 6 x 10 / 16
T = 120 / 16
T = 7.5 hour.
____________________________
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