22. A jet-ski speeds across a river at 11 m/s relative to the water. The jet ski's heading is due south. The river is flowing west at a rate of 5.0 m/s. Determine the jet-ski's velocity relative to the shore.

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26. A hiker heads [N40.0°W] and walks in a
straight line for 4.0 km. She then heads
[E10.0°N] and walks in a straight line for
3.0 km. Finally, she heads [S40.0°W] and
walks in a straight line for 2.5 km.
(a) Determine the hiker's total displacement
for the trip.
27
(b) In what direction would she have to head
in order to walk straight back to her
starting position?
(c) If her average walking speed was 4.0 km/h,
how long did the total trip take?
22. A jet-ski speeds across a river at 11 m/s
relative to the water. The jet ski's heading is
due south. The river is flowing west at a rate
of 5.0 m/s. Determine the jet-ski's velocity
relative to the shore.
23. A bush nilot w
TATAWAL.
Transcribed Image Text:26. A hiker heads [N40.0°W] and walks in a straight line for 4.0 km. She then heads [E10.0°N] and walks in a straight line for 3.0 km. Finally, she heads [S40.0°W] and walks in a straight line for 2.5 km. (a) Determine the hiker's total displacement for the trip. 27 (b) In what direction would she have to head in order to walk straight back to her starting position? (c) If her average walking speed was 4.0 km/h, how long did the total trip take? 22. A jet-ski speeds across a river at 11 m/s relative to the water. The jet ski's heading is due south. The river is flowing west at a rate of 5.0 m/s. Determine the jet-ski's velocity relative to the shore. 23. A bush nilot w TATAWAL.
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