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A river flows from south to north at 5.30 km/h. On this river, a boat is heading east to west perpendicular to the current at 7.90 km/h. As viewed by an eagle hovering at rest over the shore, determine how fast is this boat traveling and find in what direction is this boat traveling?
Magnitude km/h
Direction ° north of west
An electron with a speed of 7.50 x 108 cm/s enters an electric field of magnitude 1.00 x 103 N/C, How much time will have elapsed
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A 0.22-kg stone is held 1.2 m above the top edge of a water well and then dropped into it. The well has a depth of 5.1 m. (a) Relative to the configuration with the stone at the top edge of the well, what is the gravitational potential energy of th..
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