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15 Jan 2021
A man needs to travel from point A to point B, where point B is away, vertically opposite through the river, while the horizontal distance of point A to B is . The man needs to reach point B in minimum time. His speed on the ground is and in the water his speed is . Find the minimum time the man needs to reach point B.
A man needs to travel from point A to point B, where point B is away, vertically opposite through the river, while the horizontal distance of point A to B is . The man needs to reach point B in minimum time. His speed on the ground is and in the water his speed is . Find the minimum time the man needs to reach point B.
John David ManaloLv10
15 Jan 2021