Departing point A swimmer heads directly across a river, 85m wide. She swims at a speed of 1.6 m/s relative to still water. After crossing the river, the swimmer arrives at point C, 40 m downstream from point B, the point directly across the river from her starting point. 40 т 85 m Determine... current

need help on incorrect answers.

10. On level ground, a football is kicked up at a certain angle. The ball is in the air 2.0 s and strikes the ground 30.0 m from the thrower. What was the ball's total initial Velocity? (Find magnitude and direction) l??

A man starts walking north at 4f t/s from a point P. Five minutes later a woman starts walking southat 5f t/s from a point 500f t due east of P. At what rate are the people moving apart 15m after the womanstarts walking.

an airplane flies between two points on the ground that a re 500km apart. the destination is directly north of the origination. The plane flies with an air speed of 120 m/s. if a constant wind blows at 10.0 m/s. due west during the flight, what direction must the plane fly relative to the north to arrive at the destination.

Said can swim at 5 m/s in still water. He wishes to swim across a river 200m wide to a pointdirectly opposite from where he is standing. The river flows westward at 4 m/s and he is standingon the south bank of the river.  a) Draw a diagram. b) What is Said’s speed relative to the ground? c) In what direction must Said head? d) How long does it take to cross the river??