a man rows 750 m in 675 seconds against the stream and return in 7 and half minutes. His rowing speed in
stil water is​

Question

a man rows 750 m in 675 seconds against the stream and return in 7 and half minutes. His rowing speed in
stil water is​

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Melanie 5 months 2021-07-19T00:24:31+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-07-19T00:25:48+00:00

    Answer:

    1/2

    Step-by-step explanation:

    Rate in still water = (1/2)*[(10/9) + (5/3)] m/sec.

    0
    2021-07-19T00:26:16+00:00

    Answer:

    5 kmph

    Step-by-step explanation:

    Rate upstream = (750/675) = 10/9 m/sec

    Rate downstream (750/450) m/sec = 5/3 m/sec

    Rate in still water = (1/2)*[(10/9) + (5/3)] m/sec.

    = 25/18 m/sec

    = (25/18)*(18/5) kmph

    = 5 kmph

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