An explorer wishes to cross a river that is 1.5 km wide and flows with a velocity of 5.0 km/h parallel to its banks. The explorer uses a small powerboat that moves at a maximum speed of 12 km/h with respect to the water. What is the minimum time for crossing?

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The Answer of An explorer wishes to cross a river that is 1.5 km wide and flows with a velocity of 5.0 km/h parallel to its banks. The explorer uses a small powerboat that moves at a maximum speed of 12 km/h with respect to the water. What is the minimum time for crossing?

An Explorer Wishes to Cross a River That Is 1