Resultant velocity of the boat relative to riverbank
A river flows due east at 1.5 meters per seconds. a motorboat leaves the north shore of the river and heads die south at 2 meters per second. which vector best represents the resultant velocity of the boat relative to the riverbank?
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An observer moving toward Earth with a speed of 0.94 notices that it takes 5.2 for a person to fill her car with gas. Suppose, instead, that the observer had been moving away from Earth with a speed of 0.79. How much time would the observer have m
What should be the magnitude of , so that the net work done by it and the kinetic frictional force is zero?
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