A river flows due north with a velocity of 3kph. A man rows a boat across the river. His velocity relative to the water is 4kph due east. If the river is 1km wide, how long will it take him to cross the river?
A river flows due north with a velocity of 3kph. A man rows a boat across the river. His velocity relative to the water is 4kph due east. If the river is 1km wide, how long will it take him to cross the river?
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter1: Introduction To Statics
Section: Chapter Questions
Problem 1.19P: Plot the earths gravitational acceleration g(m/s2) against the height h (km) above the surface of...
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A river flows due north with a velocity of 3kph. A man rows a boat across the river. His velocity relative to the water is 4kph due east. If the river is 1km wide, how long will it take him to cross the river?
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