a swimmer swims 90 m long pool he covers the distance of 180m by swimming from one end to - Science -

Question

a swimmer swims 90 m long pool he covers the distance of 180m by
swimming from one end to other end back along the same if he covers
the first 90 m at speed of 2m/s then how fast he swim so that his
average speed is 3m/s

Ankur · Accepted Answer

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a swimmer swims 90 m long pool. he covers the distance of 180m by swimming from one end to other end back along the same . if he covers the first 90 m at speed of 2m/s then how fast he swim so that his average speed is 3m/s