Swimming Current Physics
A swimmer can swim with a velocity of 1.0 m/s in still water. The swimmer wishes to swim directly across a river with a current of 0.50 m/s directed from upstream to downstream. To end up directly across the river the swimmer must head at what angle?
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A ball is thrown off a building. If the ball is thrown up at 5 m/s and lands 3 seconds later
Find the height of the building
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In a rescue attempt, a hovering helicopter drops a life preserver to a swimmer being swept downstream by a river current of a constant velocity v. The helicopter is at a height of 9.8 m. The swimmer is 6.0 m upstream from a point directly under the helicopter when the life preserver is released. It lands 2.0 m in front of the swimmer. How fast is the current flowing? Neglect air resistance.
13.7 m/s
9.8 m/s
6.3 m/s
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A river is 300 m wide and the water flows downstream, exactly south, at 4 m/s. If a swimmer, moving at exactly 6 m/s, attempts to swim across the river:
At what direction should the swimmer orient himself to swim straight across the river in the east direction?
How long will it take the swimmer to across the river?